Confused between answer A) 6.6 and answer C) 6.2. I know that the population standard deviation is 6.2 and the sample standard is 6.6. Not sure which one to use in this scenario.
Homework Answers
Add Answer to:
Confused between answer A) 6.6 and answer C) 6.2. I know that
the population standard deviation...
Find the standard deviation. Round to one more place than the data. 20, 15, 13, 9,...
Find the standard deviation. Round to one more place than the data. 20, 15, 13, 9, 6, 17, 5, 5, 18 OA. 5.6 OB. 1.5 O c. 5.9 OD. 6.3
Question 32 Find the standard deviation for the given data. Round your answer to the nearest...
Question 32 Find the standard deviation for the given data. Round your answer to the nearest tenth. 1,3,9, 20, 8, 10, 17, 15, 11 6.2 5.9 4.2 6.6
b. approximate the population mean and standard deviation u= o= c. which gender has a higher...
b. approximate the population mean and standard
deviation
u=
o=
c. which gender has a higher mean age?
d. which gender has the higher dispersion in age?
please help
3.3.13 Male and female populations of elephants under 80 years old are represented by age in the table below Complete parts (a) through (d) (a) Approximate the population mean and standard deviation of age for males 41.33 (Round to two decimal places as needed.) Age Females Males (Round to two decimal...
For the following data: 2 3 5 6.6 7.1 7.8 4.7 8.5 5.4 a. Calculate the...
For the following data: 2 3 5 6.6 7.1 7.8 4.7 8.5 5.4 a. Calculate the sample mean and sample variance b. Calculate the probability that the population mean is between 9 and 10 if the population standard deviation is known to be 1.5. c. What is the 98% confidence interval for the population mean if the population standard deviation is known to be 1.5? d. Calculate the 98% confidence interval using the sample standard deviation.
problems 4, 5, 6, 11 and 13 If the population standard deviation was doubled to 10.4...
problems 4, 5, 6, 11 and 13
If the population standard deviation was doubled to 10.4 and the level of confidence remained at 90%, what would be the new margin of error and confidence interval Margin of error, E. Confidence interval: 20.11<x<34.31 O Did the confidence interval increase or decrease and why? increase 4. Definition of Confidence Intervals (Section 6.1) Circle your answer, True of False. • A 99% confidence interval means that there is a 99% probability that the...
27. The daily high temperature for Chattanooga is normally distributed with mean 79 and standard deviation...
27. The daily high temperature for Chattanooga is normally distributed with mean 79 and standard deviation 4. Find the probability that a randomly chosen temperature is between 70 and 75.:* Oa. 0.0122 Ob. 0.1464 Oc. 0.1587 Od. 0.8413 28. At a certain school, 41% of the students play soccer, 30% play volleyball, and 14% play both soccer and volleyball. If a student is chosen at random, find the probability that he/she plays neither soccer nor volleyball.:* O a. 0.71 Ob....
In a certain distribution of numbers, the mean is 50 with a standard deviation of 6....
In a certain distribution of numbers, the mean is 50 with a standard deviation of 6. Use Chebyshev's theorem to tell the probability that a number lies in the indicated interval. Between 35 and 65 O A. At least 15 16 OB 1 At least 25 OC 4 At least 25 OD 21 At least 25
Approximate the sample standard deviation given the following frequency distribution. Class Frequency 0 4 17 5 9 16 10...
Approximate the sample standard deviation given the following frequency distribution. Class Frequency 0 4 17 5 9 16 10 14 15 19 18 20 24 17 7.4 55.9 55.2 7.5
Approximate the sample standard deviation given the following frequency distribution. Class Frequency 0 4 17 5 9 16 10 14 15 19 18 20 24 17 7.4 55.9 55.2 7.5
A variable of a population has a mean of u = 70 and a standard deviation...
A variable of a population has a mean of u = 70 and a standard deviation of a = 7. a. Identify the sampling distribution of the sample mean for samples of size 49. b. In answering part (a), what assumptions did you make about the distribution of the variable? c. Can you answer part (a) if the sample size is 16 instead of 49? Why or why not? a. What is the shape of the sampling distribution? normal a...
Consider a normal population with mean y = 20 and standard deviation o = 6. Assume...
Consider a normal population with mean y = 20 and standard deviation o = 6. Assume that a random sample of size n= 15 from a population. The sample mean and sample standard deviation are X and S, respectively. Determine a such that X-20 P <a = 0.05. o/15 A. -1.753 B. -1.761 C. 1.753 D. 1.761 E.-1.645
Find the standard deviation. Round to one more place than the data. 20, 15, 13, 9, 6, 17, 5, 5, 18 OA. 5.6 OB. 1.5 O c. 5.9 OD. 6.3
Question 32 Find the standard deviation for the given data. Round your answer to the nearest tenth. 1,3,9, 20, 8, 10, 17, 15, 11 6.2 5.9 4.2 6.6
b. approximate the population mean and standard
deviation
u=
o=
c. which gender has a higher mean age?
d. which gender has the higher dispersion in age?
please help
3.3.13 Male and female populations of elephants under 80 years old are represented by age in the table below Complete parts (a) through (d) (a) Approximate the population mean and standard deviation of age for males 41.33 (Round to two decimal places as needed.) Age Females Males (Round to two decimal...
For the following data: 2 3 5 6.6 7.1 7.8 4.7 8.5 5.4 a. Calculate the sample mean and sample variance b. Calculate the probability that the population mean is between 9 and 10 if the population standard deviation is known to be 1.5. c. What is the 98% confidence interval for the population mean if the population standard deviation is known to be 1.5? d. Calculate the 98% confidence interval using the sample standard deviation.
problems 4, 5, 6, 11 and 13
If the population standard deviation was doubled to 10.4 and the level of confidence remained at 90%, what would be the new margin of error and confidence interval Margin of error, E. Confidence interval: 20.11<x<34.31 O Did the confidence interval increase or decrease and why? increase 4. Definition of Confidence Intervals (Section 6.1) Circle your answer, True of False. • A 99% confidence interval means that there is a 99% probability that the...
27. The daily high temperature for Chattanooga is normally distributed with mean 79 and standard deviation 4. Find the probability that a randomly chosen temperature is between 70 and 75.:* Oa. 0.0122 Ob. 0.1464 Oc. 0.1587 Od. 0.8413 28. At a certain school, 41% of the students play soccer, 30% play volleyball, and 14% play both soccer and volleyball. If a student is chosen at random, find the probability that he/she plays neither soccer nor volleyball.:* O a. 0.71 Ob....
In a certain distribution of numbers, the mean is 50 with a standard deviation of 6. Use Chebyshev's theorem to tell the probability that a number lies in the indicated interval. Between 35 and 65 O A. At least 15 16 OB 1 At least 25 OC 4 At least 25 OD 21 At least 25
Approximate the sample standard deviation given the following frequency distribution. Class Frequency 0 4 17 5 9 16 10 14 15 19 18 20 24 17 7.4 55.9 55.2 7.5
Approximate the sample standard deviation given the following frequency distribution. Class Frequency 0 4 17 5 9 16 10 14 15 19 18 20 24 17 7.4 55.9 55.2 7.5
A variable of a population has a mean of u = 70 and a standard deviation of a = 7. a. Identify the sampling distribution of the sample mean for samples of size 49. b. In answering part (a), what assumptions did you make about the distribution of the variable? c. Can you answer part (a) if the sample size is 16 instead of 49? Why or why not? a. What is the shape of the sampling distribution? normal a...
Consider a normal population with mean y = 20 and standard deviation o = 6. Assume that a random sample of size n= 15 from a population. The sample mean and sample standard deviation are X and S, respectively. Determine a such that X-20 P <a = 0.05. o/15 A. -1.753 B. -1.761 C. 1.753 D. 1.761 E.-1.645
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