Multiple Choice
You collect information about the number of employees that arrive to work late. Employees are categorized in two groups: those hired more than 6 months ago (Group 1) and those hired less than 6 months ago (Group 2) . You hypothesize that employees that were hired more than 6 months ago will have lower mean days late than those hired less than six months ago. If x̄1 = 1.8, x̄2 = 3.5, s1 = 0.78811 and s2 = 0.707107, what is the appropriate conclusion if = .05?
A) retain the null
B) reject the alternative
C) reject the null none of these
Correct Answer:

Verified
Correct Answer:
Verified
Q46: The parameter of interest in an independent
Q47: All repeated measures data are also paired
Q48: The order of mean subtraction for the
Q49: When conducting a paired samples test on
Q50: You collect a sample of ten pairs
Q51: When asking if there is a difference
Q52: When calculating paired samples t-test, we should
Q53: Which of the following is most likely
Q54: We must calculate the pooled variance because
Q56: Which of the following is an example