The correlation between dancing frequency and health is [r]. What percent of the dancing frequency’s variance is explained by health (i.e., coefficient of determination)? Write your answer below as a whole number percentage without the % symbol. Your answer should be to 1 decimal place. Example: 0.3421 = 34.2   |    -0.1428 = -14.3

Which of the following is an ORDINAL scale of measure?

Which measure of spread is least precise?

The less hungry you are, the more productive you are during the day. This is an example of a ___________.

Manny conducts a study on an energy drink he developed. He wants to find the correlation between drinking his energy drink and people’s ability to concentrate.   He obtains the following information: Data for Manny’s Drink Ounce of Energy Drink Consumed Concentration (1 = low – 10 = high) 2 4 5 2 4 9 1 3 6 3 2 2   Which of the following is an accurate interpretation of his results? Make sure to check your correlation to interpret it correctly.

When there is an even number of scores, how is the Median calculated?

Which of the following is a NOMINAL scale of measure?

According to the correlation matrix below, which variable is most predictive of a larger salary? Correlation Matrix Work Experience Years of Education Number of Referrals Salary Work Experience 1 Years of Education -0.17 1 Number of Referrals 0.61 -0.13 1 Salary 0.34 0.39 0.14 1

Researchers want their studies to have less ____________ to show that the experimental group behaved differently than the control group.

Suppose Madison city council imposes a $10 per month tax on internet service. If the demand curve for internet is perfectly inelastic and supply curve is upward sloping, the monthly price for internet service will increase by: [a]