For questions #43-46, refer to the contingent table below. Test with α = .01 to see...
For questions #43-46, refer to the contingent table below. Test with α = .01 to see if the gender versus favorite ice cream flavor is dependent.
chocolate vanilla
male 1247 910
female 859 1415
#43) What is the (O - E)2 / E value for the men and chocolate?
| a. |
65.31 |
|
| b. |
1247 |
|
| c. |
47.99 |
|
| d. |
1025.20 |
|
| e. |
1052.17 |
What is the critical value?
| a. |
6.635 |
|
| b. |
178.21 |
|
| c. |
31.821 |
|
| d. |
2.706 |
|
| e. |
3.078 |
What is the value of the test statistic?
| a. |
156.25 |
|
| b. |
2.706 |
|
| c. |
6.635 |
|
| d. |
134.68 |
|
| e. |
178.21 |
What is the conclusion?
| a. |
Reject Ho : the 2 questions are dependent |
|
| b. |
Reject Ho : the 2 questions are independent |
|
| c. |
Accept Ho : the 2 questions are independent |
|
| d. |
Accept Ho : the 2 questions are dependent |
|
| e. |
Reject Ho : the categories are significantly different |
Homework Answers
43) What is the (O - E)2 / E value for the men and chocolate?
c. 47.99
What is the critical value?
c. 31.821
What is the value of the test statistic?
e. 178.21
What is the conclusion?
Reject Ho : the 2 questions are dependent
Add Answer to:
For questions #43-46, refer to the contingent table below. Test
with α = .01 to see...
A die is rolled 120 times to see if it is fair. The table below shows...
A die is rolled 120 times to see if it is fair. The table below shows the frequencies for each of the six possible outcomes. Use a level of significance of a=0.10. a. Complete the rest of the table by filling in the expected frequencies (enter your answers in fraction form) Frequency of Dice Values Outcome Frequency Expected Frequency aw- b. What is the correct statistical test to use? Select an answer c. What are the null and alternative hypotheses?...
the following table contains the number of successes and failures for three categories of a variable....
the
following table contains the number of successes and failures for
three categories of a variable. Test whether the proportions are
equal for each category at the a=.1 level of signifcance.
please help! :)
Failures Successes Category 1 Category 2 Category 3 90 66 38 32 59 40 State the hypotheses. Choose the correct answer below. O A. Ho: P1 P2 P3 H, At least one of the proportions is different from the others. O B. Ho: H = E,...
Can anyone help me? . Undergraduate Engineer-par e can Anyone Help Me? I cheo x | Quiz Chi squared test and reg Facebo...
Can anyone help me?
. Undergraduate Engineer-par e can Anyone Help Me? I cheo x | Quiz Chi squared test and reg Facebook aptors v Warriors | Match Се Х x x С https://swinburne.instructure.com/courses/14609/quizzes/71399/take ⓟplutio 。 넣 2018 On Campus E 넣 Club Resources 3-89%$45AUDS419A.. 4. 2019-Islamic Socie : Apps You have two attempts. The highest score will be recorded 3 minutes, 43 Seconds Modules Assignments DQuestion 1 5 pts Grades Perform Chi-square test of independence. The significance level alpha...
The following 4 questions refer to Scenario 4. Generally speaking, people are pretty bad at telling...
The following 4 questions refer to Scenario 4. Generally speaking, people are pretty bad at telling whether or not someone is lying. Researchers are interested in studying if age is associated with ability to tell if someone is lying. Researchers compare a group of children (ages 8-10), adolescents (ages 14-17), and adults (ages 25-45) on their ability to tell if a person in a recorded video is lying or telling the truth. 1. What is the null hypothesis for scenario...
HW4.5. Multiple-choice Test A multiple-choice test has 43 questions. Each question has 4 choices. If you...
HW4.5. Multiple-choice Test A multiple-choice test has 43 questions. Each question has 4 choices. If you guess at random on all the questions and each guess is independent from one another, what are the expected value and standard deviation of the number of correct answers on your test? 1. What is the expected value of the number of correct answers on your test? (a) 10.75 (b) 21.5 (c) 8.75 (d) 11.75 2. What is standard deviation of the number of...
Is there a difference among the 3 treatments in the table below? Test using α =...
Is there a difference among the 3 treatments in the table below? Test using α = .05 Complete the ANOVA table that follows as an aid (Recommend doing so on a separate sheet of paper, or separate document), then answer the questions that follow. Treatment A Treatment B Treatment C 0 2 4 ∑X2 = 114 0 3 2 G = 36 0 1 4 N = 18 3 3 3 k = 3 0 2 4 0 1 4...
A researcher is interested in investigating whether living situation and pet ownership are dependent. The table...
A researcher is interested in investigating whether living situation and pet ownership are dependent. The table below shows the results of a survey. Frequencies of Living Situation and Pet Single Family Couple Dog 85 84 77 Cat 98 94 67 Various 33 54 52 None 51 56 55 What can be concluded at the a = 0.10 significance level? a. What is the correct statistical test to use? Paired t-test O Independence Goodness-of-Fit Homogeneity b. What are the null and...
Test of Independence - Introductory Statistics - OpenStax Frequencies of Hair Colors for Various Body Types...
Test of Independence - Introductory Statistics - OpenStax Frequencies of Hair Colors for Various Body Types Blonde Brunette Red Head Short and Slender 86 57 Short and Pudgy 1 61 106 74 Tall and Slender 158 9978 Tall and Heavy 108 79 49 What can be concluded at the a-0.05 significance level? a. What is the correct statistical test to use? Paired t-test Goodness-of-Fit Independence Homogeneity b. What are the null and alternative hypotheses? HO: Hair color and body type...
A researcher is interested in investigating whether living situation and pet ownership are dependent. The table...
A researcher is interested in investigating whether living situation and pet ownership are dependent. The table below shows the results of a survey. Frequencies of Living Situation and Pet Single Family Couple Dog 75 83 Cat 96 87 Various 38 54 33 None What can be concluded at the a-0.05 significance level? a. What is the correct statistical test to use? Independence Homogeneity Goodness-of-Fit Paired t-test b. What are the null and alternative hypotheses? HO: Pet ownership and living situation...
Refer to Table 1 and Table 2 below to answer questions 46 through 50. Assume that...
Refer to Table 1 and Table 2 below to answer questions 46 through 50. Assume that the supply of money (MⓇ) and the demand for money (Md) in an economy are described by Table 1 (note that money is defined as M1). Assume that the amount of business investment (1) is described by Table 2. Also assume that the banking system is always loaned up and there is no crowding out. Table 1 Table 2 Md - r M r...
A die is rolled 120 times to see if it is fair. The table below shows the frequencies for each of the six possible outcomes. Use a level of significance of a=0.10. a. Complete the rest of the table by filling in the expected frequencies (enter your answers in fraction form) Frequency of Dice Values Outcome Frequency Expected Frequency aw- b. What is the correct statistical test to use? Select an answer c. What are the null and alternative hypotheses?...
the
following table contains the number of successes and failures for
three categories of a variable. Test whether the proportions are
equal for each category at the a=.1 level of signifcance.
please help! :)
Failures Successes Category 1 Category 2 Category 3 90 66 38 32 59 40 State the hypotheses. Choose the correct answer below. O A. Ho: P1 P2 P3 H, At least one of the proportions is different from the others. O B. Ho: H = E,...
Can anyone help me?
. Undergraduate Engineer-par e can Anyone Help Me? I cheo x | Quiz Chi squared test and reg Facebook aptors v Warriors | Match Се Х x x С https://swinburne.instructure.com/courses/14609/quizzes/71399/take ⓟplutio 。 넣 2018 On Campus E 넣 Club Resources 3-89%$45AUDS419A.. 4. 2019-Islamic Socie : Apps You have two attempts. The highest score will be recorded 3 minutes, 43 Seconds Modules Assignments DQuestion 1 5 pts Grades Perform Chi-square test of independence. The significance level alpha...
HW4.5. Multiple-choice Test A multiple-choice test has 43 questions. Each question has 4 choices. If you guess at random on all the questions and each guess is independent from one another, what are the expected value and standard deviation of the number of correct answers on your test? 1. What is the expected value of the number of correct answers on your test? (a) 10.75 (b) 21.5 (c) 8.75 (d) 11.75 2. What is standard deviation of the number of...
A researcher is interested in investigating whether living situation and pet ownership are dependent. The table below shows the results of a survey. Frequencies of Living Situation and Pet Single Family Couple Dog 85 84 77 Cat 98 94 67 Various 33 54 52 None 51 56 55 What can be concluded at the a = 0.10 significance level? a. What is the correct statistical test to use? Paired t-test O Independence Goodness-of-Fit Homogeneity b. What are the null and...
Test of Independence - Introductory Statistics - OpenStax Frequencies of Hair Colors for Various Body Types Blonde Brunette Red Head Short and Slender 86 57 Short and Pudgy 1 61 106 74 Tall and Slender 158 9978 Tall and Heavy 108 79 49 What can be concluded at the a-0.05 significance level? a. What is the correct statistical test to use? Paired t-test Goodness-of-Fit Independence Homogeneity b. What are the null and alternative hypotheses? HO: Hair color and body type...
A researcher is interested in investigating whether living situation and pet ownership are dependent. The table below shows the results of a survey. Frequencies of Living Situation and Pet Single Family Couple Dog 75 83 Cat 96 87 Various 38 54 33 None What can be concluded at the a-0.05 significance level? a. What is the correct statistical test to use? Independence Homogeneity Goodness-of-Fit Paired t-test b. What are the null and alternative hypotheses? HO: Pet ownership and living situation...
Refer to Table 1 and Table 2 below to answer questions 46 through 50. Assume that the supply of money (MⓇ) and the demand for money (Md) in an economy are described by Table 1 (note that money is defined as M1). Assume that the amount of business investment (1) is described by Table 2. Also assume that the banking system is always loaned up and there is no crowding out. Table 1 Table 2 Md - r M r...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago