Statistics Review

Front

What is the probability of z being greater than 0.84?

Back

0.2005

Front

Identify the explanatory and response variables: # of pushups I can do, Hours spent in the gym.

Back

Response: # of pushups I can do; Explanatory: Hours spent in the gym.

Front

In a normal distribution, what percent of the data is in the shaded region if it represents 1 standard deviation from the mean?

Back

68%

Front

What percent of students have a height between 58 inches and 60 inches?

Back

25%

Front

Which of the following is an example of quantitative data? The color of your car, A person's state of residence, A person's Zip Code, A Person's Height.

Back

A Person's Height

Front

What is a normal distribution?

Back

A probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence.

Front

What does the term 'explanatory variable' mean?

Back

A variable that is used to explain changes in another variable.

Front

What does the term 'response variable' mean?

Back

A variable that measures the outcome of a study.

Front

What is the empirical rule in statistics?

Back

In a normal distribution, approximately 68% of the data falls within one standard deviation of the mean.

Front

What is quantitative data?

Back

Data that can be measured and expressed numerically.