Question 17If the size for each sample is the same for the one-way ANOVA, the Tukey-Kramer critical range for all pairs w

Answer
True
Comments
Correct!!
Max Score: 4
Actual Score: 4
Question 18
Analysis of variance is a technique used to conduct a hypothesis test to compare three or more population propo
Answer
False
Comments
Correct!!
Max Score: 4
Actual Score: 4
Question 19
All analyses of variance procedures require that the populations being compared have equal variances
Answer
True
Comments
Correct!!
Max Score: 4
Actual Score: 4
Question 20All analyses of variance procedures require that the observations depend on one another
Comments
Max Score: 4
Actual Score: 0
Question 21

When you reject the null hypothesis for a chi-square test of independence, you are concluding that no relationsh
Comments
Correct!!
Max Score: 4
Actual Score: 4
Question 22Nationwide Insurance would like to perform a chi-square test to investigate whether a difference exists in the pteenagers found that 50 indicated that they texted while driving. A random sample of 120 female teenagers founis ________.
Answer
Comments
Question 23Nationwide Insurance would like to perform a chi-square test to investigate whether a difference exists in the pteenagers found that 50 indicated that they texted while driving. A random sample of 120 female teenagers foun________.
Answer
Comments
Question 24The chi-square test requires that each expected frequency be equal to or greater than ________.
Correct!!
Max Score: 4

Actual Score: 4
Question 25The Department of Transportation would like to investigate if differences exist in the proportions of flights thatThe following data represent the number of on-time flights from random samples taken from each airline.The chi-square test statistic for these samples is ________.
Answer
Comments
Question 26The chi-square test for independence is used to decide if observed frequencies follow a known probability distr
Comments
Max Score: 4
Actual Score: 0
Question 27YouTube would like to test the hypothesis that the standard deviation for the length of an online video watched was selected. The sample standard deviation for the length of the video was found to be 2.5 minutes. The degre

#### You've reached the end of your free preview.

Want to read all 13 pages?

- Fall '12
- Donnelly
- Normal Distribution, Standard Deviation, Variance, Actual Score, Max Score