Scores on a test have a mean of 71 and a standard deviation of 14 . Tony has a score of 88 . Convert Tony's score to a 2 -score, rounded to the nearest hundredth.

Classifying subjects on the basis of gender is an example of what kind of measurement scale? nominal. ordinal. interval. discrete. continuous.

Which of the following is/are part of descriptive statistics? central tendency. variability. linear regression. correlation. all of the above.

The distribution of heights of 19 -year-old women is approximately normal, with a mean of 170 cm and a standard deviation of 5 cm . a What percentage of these women have heights: i between 155 and 185 cm ? ii greater than 180 cm ? iii between 160 and 175 cm ? b In a sample of 5000 of these women, approximately how many have heights greater than 175 cm ?

24. What is the \( y \)-intercept of the trend line equation, and what does it mean in the context of the situation?

For an experiment comparing more than two treatment conditions or more than two groups, you should use analysis of variance (ANOVA), rather than separate \( t \) tests. True False