Answer The Following Questions Using Minitab Q1 The Test Scores On A Test Were Recorded For 8 Students As Follows 71 1 (56.45 KiB) Viewed 31 times
Answer The Following Questions Using Minitab Q1 The Test Scores On A Test Were Recorded For 8 Students As Follows 71 2 (59.6 KiB) Viewed 31 times
Answer the following Questions Using Minitab Q1. The test scores on a test were recorded for 8 students as follows: 71, 93, 91, 86, 75, 73, 86, 82 a- Assuming that the population of test scores is normal, obtain and write a 95% confidence interval for the mean test score in the population. (one point) b- Consider testing He:= 75 against Hu > 75: i- The value of the test statistic is ii- The p-value of the test is (one point) (one point) Q2. These data are observations collected using a completely randomized design for a factor (A) with three levels: Factor (A) Level 1 Level 2 Level 3 3 4 2 2 3 0 4 5 2 3 2 1 2 5 1 اليانا ليما | | Nu a. Write the F value for testing Ho-Hy = Hz = Hy against H: At least one mean is different. (one point) b. Write the value of MSE (one point)
= Q3: (2 points) A collector of antique grandfather clocks sold at auction believes that the price received for the clocks depends on both the age of the clocks and the number of bidders at the auction Thus, he hypothesizes the first-order model is y = Bo + B x1 + Bxf2 +, where y = Auction price (dollars) *1 = Age of clock (years) 12 = Number of bidders A sample of 16 auction prices of grandfather clocks, along with their age and the number of bidders, is given in Table below Number of Bidder. 13 1 7 ANO. 127 115 127 ISO 1 56 12 I SE 132 137 11 1.27 117 137 15 117 120 Auction Tride. $1.235 1.OHO 245 1.522 1.047 1.970 1.22 1.353 1.207 11 12 10 15 11 1.71 1,024 1.147 1.002 1.152 1.336 10 1. Find the least-squares regression for the data. 2. Form a 95 % confidence interval for B.
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!