Explore BrainMass

# Effects of TV viewing on reading scores

Not what you're looking for? Search our solutions OR ask your own Custom question.

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

Dr. S wishes to measure the effect of TV viewing on reading scores in elementary school children. The data for the sample are shown here. Assume the population is normal.

# hours TV/week (x): 4,5,8,12,20,16,20,22,22,25,30
Reading scores (y):805,810, 860,750,715,755,720,635,615,540,500

a.Construct a scatter plot using Minitab and describe the relationship between the variables.

b.Find the value of the correlation coefficient. Is the correlation positive or negative? Why?

c.Test the significance of the correlation coefficient at alpha = 0.05.

d. Test the significance of the correlation coefficient at alpha = 0.05.

State the hypotheses;
Ho:
H1:

e.State the p-value and make a decision.

f.Find the equation of the regression line.

g.Predict y when x = 10 hours.

Â© BrainMass Inc. brainmass.com November 30, 2021, 2:55 am ad1c9bdddf

#### Solution Preview

Attached is the solution

Dr. S wishes to measure the effect of TV viewing on reading scores in elementary school children. The data for the sample are shown here. Assume the population is normal.

# hours TV/week, x 4 5 8 12 20 16 20 22 22 25 30
Reading scores, y 805 810 860 750 715 755 720 635 615 540 500

a. Construct a scatter plot using Minitab and describe the relationship between the variables.

...

#### Solution Summary

The effects on TV viewing on reading scores is analyzed. The p-value and regression analysis is given.

\$2.49