(a) Option C
(b) 0.509343500062602
(c) not reject
(d) Option B
Campus | Online | |
149.3442 | 149.3075 | mean |
48.0412 | 47.7712 | std. dev. |
12 | 12 | n |
22 | df | |
0.03667 | difference (Campus - Online) | |
2,295.02495 | pooled variance | |
47.90642 | pooled std. dev. | |
19.55771 | standard error of difference | |
0.5 | hypothesized difference | |
-0.0236905675430908 | t | |
.509343500062602 | p-value (one-tailed, upper) |
(1 point) A professor in the school of business at a certain university wants to investigate...
(1 point) A professor in the school of business at a certain university wants to investigate the claim that the prices of new textbooks in the campus store are higher than a competing national online bookstore by more than 50 cents. The professor randomly chooses required texts for 12 business school courses. Use α= 0.05 . The data is given in the table below Book Campus Store Online Store 122.88 132.11 195.52 177.58 218.82 242.04 219.97 122.29 135.94 137.39 213.83...
B (1 point) A professor in the school of business at a certain university wants to investigate the claim that the prices of new textbooks in the campus store are higher than a competing national online bookstore. The professor randomly chooses required texts for 12 business school courses. The data is given in the table below. Book Campus Store Online Store А 55 50.95 47.5 45.75 50.5 50.95 38.95 38.5 58.7 56.25 49.9 45.95 39.95 40.25 41.5 39.95 42.25 43...
Help with the following problem urget, bellow is the csv
data.
Campus
Online
153.83
148.66
212.21
214.58
191.65
191.24
142.49
141.73
154.71
152.62
223.36
224.79
93.93
92.87
112.21
106.41
182.58
185.15
179.55
177.33
187.51
185.17
168.75
167.08
Assignment 2: Problem 4 Previous Problem Problem List Next Problem (1 point) A professor in the school of business at a certain university wants to investigate the claim that the prices of new textbooks in the campus store are higher than a competing...
(1 point) Ken and Billy both live in the same neighborhood, and work at the university. Ken drives to work, Billy rides his bicycle. You - a budding statistician - have been asked to settle an argument. Ken believes that more often than not, his commuting time via his drive is less than Billy's. Billy believes that this is not so, due to traffic volume and traffic lights. Over the period of one month, the statistician randomly selects eight days...