# Question

For the 2 × 3 table on gender and happiness in Exercise 11.4 (shown again following), software tells us that X2 = 0.46 and the P-value = 0.79.

a. State the null and alternative hypothesis, in context, to which these results apply.

b. Interpret the P-value.

a. State the null and alternative hypothesis, in context, to which these results apply.

b. Interpret the P-value.

## Answer to relevant Questions

The Car Weight and Mileage data file on the text CD shows the weight (in pounds) and mileage (miles per gallon) of 25 different model autos. a. Identify the natural response variable and explanatory variable. b. The ...Suppose r2 = 0.30. Since ∑ (y - )2 is used in estimating the overall variability of the y values and ∑ (y - )2 is used in estimating the residual variability at any fixed value of x , explain why approximately the ...Is there a relationship between x = how many sit-ups you can do and y = how fast you can run 40 yards (in seconds)? The MINITAB output of a regression analysis for the female athlete strength study is shown here. a. Find the ...Refer to the association you investigated in Exercise 12.8 between skipping class and college GPA. Using software or a calculator with the data file you constructed for that exercise, a. Find the mean and standard deviation ...A regression analysis is conducted with 25 observations. a. What is the df value for inference about the slope β? b. Which two t test statistic values would give a P-value of 0.05 for testing H0: β = 0 against Ha: β ≠ ...Post your question

0