Would the F-ratio increase, decrease, or stay the same if you increased the sample variances?

For a set of scores, the mean is 150 and the standard deviation is 12. What is the z-score for the score 180?

For a sample of n = 16 individuals, how large a Pearson correlation is necessary to be statistically significant for a two-tailed test with a = .05?

calculate X if z = 1.5, µ = 70 and standard deviation = 5

How does the difference between fe and fo influence the outcome of a chi-square test?

What is referred to by the term observed frequencies?

In a normal distribution what percent of scores are within two standard deviations from the mean?

How does the difference between fe and fo influence the outcome of a chi-square test?

In a normal distribution what percent of scores are within two standard deviations from the mean?

A researcher is conducting a study on the probability of drawing the Jack, Queen, King, and Ace of Hearts from a standard deck of cards with 52 cards. What is the probability of selecting one of these 4 cards?