Chapter 15: Tests of Significance Project
The head of the English department has asked you to decide if the department should buy a new high-tech reading tutorial to help raise reading scores.
The mean score on the reading test for the school is 100 points with a standard deviation of 15 points.
Based on the data below, use statistical reasoning to explain whether or not the school should buy the program.
Here are the scores for a test run on the new tutorial
1	100			You will be graded based on---
2	106			STATE
3	75			FORMULATE
4	85			SOLVE
5	97			CONCLUDE
6	104
7	129			What is the confidence interval you are using?
8	117
9	89			What are the null and alternative hypotheses?
10	136
11	99			What are the mean and standard deviation of the sample?
12	156
13	107			What is the confidence interval?
14	125
15	94			What is the P-value?
16	104
17	85			Does the program significantly raise test scores? Why?
18	91
19	124
20	84
21	131
22	79
23	132
24	61
25	93
26	73
27	99
28	100
29	108
30	97
31	80
32	134
33	74
34	130
35	123
36	112