Questions from Statistics

Q: The scatterplot shows the acceptance rate and selectivity index for a sample

The scatterplot shows the acceptance rate and selectivity index for a sample of medical schools. The acceptance rate is the percentage of applicants who were accepted into the medical school. The sele...

Q: Suppose you wanted to know whether ring size and height were associated

Suppose you wanted to know whether ring size and height were associated. Could you do that with this data table? If so, which variables would you use?

Q: Pick the letter of the graph that goes with each numerical value

Pick the letter of the graph that goes with each numerical value listed below for the correlation. Correlations: 0.767 _________ 0.299 _________ -0.980 ________

Q: Pick the letter of the graph that goes with each numerical value

Pick the letter of the graph that goes with each numerical value listed below for the correlation. Correlations: -0.903 _________ 0.374 _________ 0.777 _________

Q: Match each of the following correlations with the corresponding graph.

Match each of the following correlations with the corresponding graph. 0.87 _________ -0.47 _________ 0.67 _________ (Source: StatCrunch: 2011 MLB Pitching Stats according to owner: IrishBlazeFighte...

Q: Match each of the following correlations with the corresponding graph.

Match each of the following correlations with the corresponding graph. -0.51 _________ 0.98 _________ 0.18 _________

Q: The distance (in kilometers) and price (in dollars)

The distance (in kilometers) and price (in dollars) for one-way airline tickets from San Francisco to several cities are shown in the table. a. Find the correlation coefficient for this data using a...

Q: The table for part (a) shows distances between selected cities

The table for part (a) shows distances between selected cities and the cost of a business class train ticket for travel between these cities. a. Calculate the correlation coefficient for the data show...

Q: In Exercise 4.1 there is a graph of the relationship

In Exercise 4.1 there is a graph of the relationship between SAT score and college GPA. SAT score was the predictor and college GPA was the response variable. If you reverse the variables so that coll...

Q: The correlation between house price (in dollars) and area of

The correlation between house price (in dollars) and area of the house (in square feet) for some houses is 0.91. If you found the correlation between house price in thousands of dollars and area in sq...