Statistics Flashcard

Front

Use the following box and whisker plot to identify what percent of scores are below 82?

Back

25, 25%

Front

Using the box and whisker, what percent of scores fall between 82 and 93? Options: 50, 50%

Back

50, 50%

Front

Using the box and whisker plot, describe the shape of the distribution of test scores.

Back

skewed left, skew left, Skewed Left, Skew Left, left skewed

Front

What is the IQR of the test score distribution?

Back

11

Front

For which distribution shape would the mean be the best measure for the center of the distribution?

Back

symmetric, Symmetric

Front

The heights of NCAA women’s basketball players are approximately normally distributed with a mean of 70 inches and a standard deviation of 2.6 inches. What is the probability that a player is less than 64.8 inches tall? Use the Empirical Rule.

Back

0.025

Front

The heights of NCAA women’s basketball players are approximately normally distributed with a mean of 70 inches and a standard deviation of 2.6 inches. What is the probability that a player is at most 75 inches tall? Round to the ten thousandth (same as the chart).

Back

0.9726

Front

The heights of NCAA women’s basketball players are approximately normally distributed with a mean of 70 inches and a standard deviation of 2.6 inches. What height represents the 46^th percentile?

Back

69.74 inches

Front

The heights of NCAA women’s basketball players are approximately normally distributed with a mean of 70 inches and a standard deviation of 2.6 inches. What is the probability that a player is between 67 and 76 inches tall? Round to the ten thousandth (same as chart).

Back

0.8645