iPad * 66% 8:09 PM wamap.org 1:32:36 remainin You wish to test the claim that th

Question

iPad * 66% 8:09 PM wamap.org 1:32:36 remainin You wish to test the claim that the first population mean is greater than the second population mean at a significance level of = 0.01 Q1 [4/4) Q2 (0/4) Q3 [2.414] Q4 [4/4] Q5 [0/4] Q 6 [3.2/4 Q7 (0/4) Q8 (0/4) Q9 [4/4] Q 10 (0/4) Q 11 [4/4] Q 12 [3/4) Q 13 [3/4] Q 14 [4/4] Q 15 [4/4] Q 16 (0/4) Q 17 [4/4) Q 18 (0/4) Q 19 (4/4) Q 20 (0/4) Q 21 (0/4) Q 22 (0/4) Q 23 (0/4) Q 24 (0/4) Q 25 (0/4) You obtain the following two samples of data. Sample #1 Sample #2 54.9 28.7 36.5 51.1 39.0 64.4 50.1 41.1 37.8 51.8 12.6 37.2 31.1 71.6 42.2 36.6 37.6 33.2 42.7 45.5 47.4 a. What is the test statistic for this sample? test statistic Round to 4 decimal places. de: 43.6/100 b. What is the p-value for this sample? p-valueRound to 4 decimal places. c. The p-value is... O less than (or equal to) °greater than a d. This test statistic leads to a decision to... Oreject the null Oaccept the null 0 fail to reject the null

Explanation / Answer

a)
TS = 0.8959
b)
p-value = 0.1905

c)
greater than alpha

d) fail to reject the null

e)
option B)

t-Test: Two-Sample Assuming Equal Variances Variable 1 Variable 2 Mean 47.1 42.41 Variance 163.1363636 132.7587778 Observations 12 10 Pooled Variance 149.46645 Hypothesized Mean Difference 0 df 20 t Stat 0.895942762 P(T<=t) one-tail 0.190470357 t Critical one-tail 1.724718243 P(T<=t) two-tail 0.380940714 t Critical two-tail 2.085963447

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