A researcher is using a chi-square test to determine whether people have any preferences among three brands of televisions. The null hypothesis for this test would state that _____.

It is known that males make up approximately 49% of the United States population. A researcher wants to examine whether the proportion of males currently incarcerated in prisons within the United States differs from the proportion of males in the United States. What is the null hypothesis for this hypothesis test?

The results of a two-factor, independent-measures ANOVA with n = 6 participants in each condition indicates that F(5, 24) = 8.63, p < 0.05.

In a test for significance of a Pearson correlation for a sample of n = 30 individuals, a researcher determines the critical value for the hypothesis test by using df = 29.

One or two extreme data points can have a dramatic effect on a computed Pearson’s r value for a correlation.

A researcher is examining preferences among three new flavors of water. A sample of n = 60 people is obtained. Each person tastes all three flavors and then picks their favorite. The distribution of preferences is below. Which chi-square value is obtained when conducting a chi-square goodness-of-fit test? Water Flavor Preference Flavor Count A 25 B 20 C 15  

A linear regression equation has b = 3 and a = –6. What is the predicted value of Yfor X = 4?

For the following data, what is the value of SSB? Cell Means and Sums of Squares B1 B2 A1 n = 5, M = 1, SS = 10 n = 5, M = 2, SS = 20 A2 n = 5, M = 1, SS = 10 n = 5, M = 4, SS = 20  

For an ANOVA comparing three treatment conditions, what is stated by the alternative hypothesis (H1)?

An ANOVA is used to evaluate the mean differences among three treatment conditions with a sample of n= 12 participants in each condition. For this research study, what is dfbetween?