Exhibit 18-2
Students in statistics classes were asked whether they preferred a 10-minute break or to get out of class 10 minutes early. In a sample of 150 students, 40 preferred a 10-minute break, 80 preferred to get out 10 minutes early, and 30 had no preference. We want to determine if there is a difference in students' preferences.
-Refer to Exhibit 18-2. To test the null hypothesis, the appropriate probability distribution to use is the
A) normal
B) chi-square
C) t distribution
D) binomial
Correct Answer:
Verified
Q1: Statistical methods that require assumptions about the
Q9: The labeling of parts as "defective" or
Q10: When ranking combined data in a Wilcoxon
Q12: A nonparametric version of the Parametric analysis
Q13: Exhibit 18-1
Ten people were given two types
Q16: Exhibit 18-2
Students in statistics classes were asked
Q18: Exhibit 18-2
Students in statistics classes were asked
Q19: The Spearman rank-correlation coefficient is
A)a correlation measure
Q21: Exhibit 18-5
Forty-one individuals from a sample of
Q22: Exhibit 18-4
It has been hypothesized that there
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