So, =0.1902. A researcher developed a regression model to predict the cost of a meal based on the summated rating (sum of ratings for food, decor, and service) and the cost per meal for 14 restaurants. The results of the study show that b, = 1.4973 and a. At the 0.05 level of significance, is there evidence of a linear relationship between the summated rating of a restaurant and the cost of a meal? b. Construct a 95% confidence interval estimate of the population slope, B,. a. Determine the hypotheses for the test. Choose the correct answer below. OC. Ho: Po20 H,: Bo <0 OF. Ho: Po =0 Hạ: Bo #0 O A. Ho: Poso H,: Bo >0 O B. Ho: P, 20 H,: B, <0 O D. Ho: B, =0 H,: B, #0 O E. Ho: P, s0 H,: B, >0 Compute the test statistic. The test statistic is . (Round to two decimal places as needed.) Determine the critical value(s). The critical value(s) is(are) (Use a comma to separate answers as needed. Round to two decimal places as needed.) Reach a decision. V Hg. There is V evidence the 0.05 level of significance to conclude that there is a linear relationship between the summated rating and the cost of a meal at a restaurant. b. The 95% confidence interval is sB, s. (Round to four decimal places as needed.) NOTE: To find the confidence interval of the slope use the formula given in the textbook under the section- Confidence Interval Estimate for the slope.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.