Review for CIA 3 B (2024)

Front

Back

744.95 miles

Front

What type of regression analysis would best fit the data shown? Options: linear, exponential, quadratic, none of the above

Back

quadratic

Front

Which is true about the mean and median of this set of data?

Back

The Mean is greater than the Median

Front

Which explains why Chad's mean score is higher than Michelle's? Jay: 80, 90, 95, 25, 90, 80; Terri: 80, 90, 95, 85, 90, 80; Options: Jay had one very high test score, Jay had one very low test score, Terri had one very high test score, Terri had one very low test score

Back

Jay had one very low test score

Front

Which of these correlation coefficient values is the STRONGEST correlation? -0.90, 0.80, -0.09, 0.75

Back

-0.90

Front

Predict the test score if the person go 2 hours of sleep? Options: 65, 75, 80, 90

Back

65

Front

y = -2.5x + 257
What is true about the correlation coefficient?

Back

correlation coefficient is negative

Front

The correlation between a person's stress level and their grade the test is -0.85. What is true? Options: As the stress level increases, the grade increases; As the stress level increases, the grade decreases; As the stress level decreases, the grade decreases; there is no correlation between the stress level and test grade.

Back

As the stress level increases, the grade decreases

Front

The correlation between x and y is 0.89. What is true?

Back

As x increases, y increases

Front

What is the interquartile range of the data in the box plot?

Back

6