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What is the critical value for a regression analysis with n=77, 1 predictor variable, and an alpha level of 0.05?

A sample with a mean of M = 40 and a variance of s2 = 20 has an estimated standard error of 2 points. How many scores are in the sample?

The values in the following matrix are treatment means from a two-factor study. One of the means is missing. What value for the missing mean would most likely result in no main effect for factor A?     B1 B2 A1 11 13 A2 15 ?

What kind of frequency distribution graph shows the frequencies as bars that are separated by spaces?

What is stated by the null hypothesis (H0) for an ANOVA?

The data from an independent-measures research study produce a sample mean difference of 4 points and a pooled variance of 16.  If there are n = 8 scores in each sample, then what is the estimated standard error for the sample mean difference?

If we are testing whether eating gummy bears affects weight, what is the independent variable?

What is the value of the median for the following set of scores?Scores: 1, 3, 4, 6, 7, 8, 12, 23

What is the median for the population of scores shown in the frequency distribution table?X      f5     14     23     32     41     2

A set of scores ranges from a low of X = 43 to a high of X = 100. The scores are placed in a grouped frequency distribution table with an interval width of 8 points. What would the bottom interval of the table be?