Ten students who were struggling in a 3 rd grade reading class were selected to
ID: 2949870 • Letter: T
Question
Ten students who were struggling in a 3rd grade reading class were selected to take part in a Reading Is Fun program. Before the program, each student was given a pre-test; four weeks after attending the program students were given a post-test. Use the SPSS output below to study the question, did the Reading Is Fun program significantly increase students’ scores? Use a .05 level of significance.
Paired Samples Statistics
Mean
N
Std. Deviation
Std. Error Mean
Pair 1
Before
29.8400
10
4.71126
1.48983
After
37.2000
10
5.60198
1.77150
Paired Samples Correlations
N
Correlation
Sig.
Pair 1
Before & After
10
.935
.000
Paired Samples Test
Paired Differences
Mean
Std. Deviation
Std. Error Mean
95% Confidence Interval of the Difference
Lower
Upper
Pair 1
Before - After
-7.36000
2.05329
.64931
-8.82884
-5.89116
Use the information above to determine the value of the test statistic.
Question 17 options:
-1.427
-3.584
-7.360
-11.335
Which of the following statements would be a Type I Error?
Question 19 options:
Concluding scores were significantly higher after participating in the Reading Is Fun program, when really they were not.
Concluding scores were significantly higher after participating in the Reading Is Fun program, when really they were.
Concluding scores were not significantly higher after participating in the Reading Is Fun program, when really they were not.
Concluding scores were not significantly higher after participating in the Reading Is Fun program, when really they were.
Paired Samples Statistics
Mean
N
Std. Deviation
Std. Error Mean
Pair 1
Before
29.8400
10
4.71126
1.48983
After
37.2000
10
5.60198
1.77150
Explanation / Answer
Q17) Test statistic t = -7.36 / (2.05329 / sqrt(10)) = -11.335156
Correct answer: option (D)
Q19) Correct answer: (B) Concluding scores were significantly higher after participating in the Reading Is Fun program, when really they were.
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