7. According to the market research firm NPD Group, Americansate an average of 211 meals in restaurants in 2001. The followingdata show the number of meals eaten in restaurants as determinedfrom a random sample of Americans in 2014: 212, 128, 197, 344, 143,79, 180, 313, 57, 200, 161, 320, 90, 224, 266, 284, 231, 322, 200,173. Using ? = .05, test the hypothesis that the number of mealseaten at restaurants by Americans has not changed since 2001.
1) Identify the null and alternative hypotheses.
2) Set the value for the significance level.
3) Determine the appropriate critical value.
4) Calculate the appropriate test statistic
. 5) Compare the test statistic with the critical value
. 6) State your conclusion.
7) Calculate and interpret the P-value
