Answer:
Given,
alpha = 0.02
sample n = 19
here it is a two tailed test
degree of freedom = n - 1
= 19 - 1
= 18
t(alpha/2,df) = t(0.02/2 , 18)
= t(0.01 , 18)
= +/- 2.552
Option C is right answer.
Question 23 (8 points) What is the critical value for a two-tailed t test when a...
Question 14 (4 points) What is the critical t-value for a two-tailed test when a = 0.02 and d.f. = 18? 1) 2.567 2) 2.101 3) 2.552 4) 1.740
What is the critical value for a two-tailed t test when a = 0.02 and n= 19? 1) 2.878 2) 2.567 3) 2.552 4) 2.110 Find the minimum sample size you should use to assure that your estimate of p will be within the required margin of error around the population p. Margin of error: 0.07; confidence level: 97%; p and q unknown 1) 240 2) 8 3) 111 4) 241 Construct the cumulative frequency distribution that corresponds to the...
QUESTION 15 The critical value for a 2-tailed independent t-test with two groups of 15 people (alpha .01) is: +/- 1.960 +/- 2.763 +/- 2.101 +/- 2.878
Example 8.23. #4. With your cakeulator find the critical value (or val ues) for the t test for each. Then draw the corresponding picture a. n-15, -0.05, right-tailed b. n-23, a 0.005, left-tailed c, n 28, α-0.01, two-tailed d. n 17, a 0.02, two-tailed Solutions a. n-15, df-14 and t- 163 and te
Example 8.23. #4. With your cakeulator find the critical value (or val ues) for the t test for each. Then draw the corresponding picture a. n-15, -0.05,...
Page > of 8 0 2. And the t critical value for a left tailed test at a 0.1 level of significance and df - 11. A) 1.80 B) 1.36 C) 2.72 D) -136 E) None of the Above 3. Find the z critical value for a right tailed test with n=23,0.05, a = 0.01 A) 2.33 B) 1.645 ) -1.645 D) -2.33 E) None of the Above 4. Classify the hypothesis test as left-tailed, right-tailed, or two tailed: The...
Find the critical value (or values) for the t test for the given case n=12, a=0.01, left tailed Find the critical value (or values) for the t test for the given case n=17, a=0.02, two tailed
What is the critical value of a two-tailed t-test, where the sample size is 22 and the level of significant is 0.01? Round to the nearest thousandth
What is the critical value of a right-tailed Independent t-Test when you have 32 degrees of freedom, and alpha = 0.05? (Answer to 3 digits after the decimal point.)
An average department store sells 200 men's suits per year. The men's suit departments at a particular national chain of stores claim that they more than the industry average. In a sample of 40 stores, they sold, on the average, 220 suits per year with a standard deviation of $40. What is the test value for this hypothesis? 1) 0.08 2) 0.50 3) 1.83 4) 3.16 What is the critical t-value for a two-tailed test when a =0.02 and d.f....
2= Determine the critical value for a right-tailed test regarding a population at the al = 0.05 Hovei of significance. round to two decimal plaus) Determine the critical values for a two-tailed test of a population mean at the d= 0.05 level of significance based on a sample size of N= 19. a) ± 1.74 c)+ 7.101 b) J1 d) ± 1.734 Find the standardized test Statistiet for a sample with N=12, X= 34.2, S = 2.2, and a= 0.01...