# Question: An educator wants to see how the number of absences

An educator wants to see how the number of absences for a student in her class affects the student’s final grade. The data obtained from a sample are shown.

Do a complete regression analysis by performing these steps.

a. Draw a scatter plot.

b. Compute the correlation coefficient.

c. State the hypotheses.

d. Test the hypotheses at α = 0.05. Use Table I.

e. Determine the regression line equation.

f. Plot the regression line on the scatter plot.

g. Summarize the results.

Do a complete regression analysis by performing these steps.

a. Draw a scatter plot.

b. Compute the correlation coefficient.

c. State the hypotheses.

d. Test the hypotheses at α = 0.05. Use Table I.

e. Determine the regression line equation.

f. Plot the regression line on the scatter plot.

g. Summarize the results.

**View Solution:**## Answer to relevant Questions

A physician wishes to know whether there is a relationship between a father’s weight (in pounds) and his newborn son’s weight (in pounds). The data are given here. Do a complete regression analysis and test the ...r = 0.35 Find the coefficients of determination and non-determination and explain the meaning of each. For the data in Exercises 13 in Sections 10–1 and 10–2 and 15 in Section 10–3, find the 90% prediction interval when x = 200 new releases. The yearly data have been published showing the number of releases for each of ...The U.S. Department of Transportation Office of Aviation Analysis provides the weekly average number of passengers per flight and the average one-way fare in dollars for common commercial routes. Randomly selected flights ...A study is conducted to determine the relationship between a driver’s age and the number of accidents he or she has over a 1-year period. The data are shown here. If there is a significant relationship, predict the number ...Post your question