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The following data are obtained from a study that seeks to investigate the effects of an intervention program and the extent of their physical disability on their reading, math and IQ scores. The students who had been recipients of an intervention program are in the treatment group and while those who are not are in the control group. Questions: 1. Is there a significant difference in the math, reading and IQ scores of students in the treatment and controlgroups? 2. Is the intervention program effective? 3. Is there a significant difference in the math, reading and IQ scores of studentswhen they are grouped according to the extent of their physical disability?

The following data are obtained from a study that seeks to investigate the effects of an intervention program and the extent of their physical disability on their reading, math and IQ scores. The students who had been recipients of an intervention program are in the treatment group and while those who are not are in the control group. Questions: 1. Is there a significant difference in the math, reading and IQ scores of students in the treatment and controlgroups? 2. Is the intervention program effective? 3. Is there a significant difference in the math, reading and IQ scores of studentswhen they are grouped according to the extent of their physical disability?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 5E
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The following data are obtained from a study that seeks to investigate the
effects of an intervention program and the extent of their physical disability on their reading, math and IQ scores. The students who had been recipients of an intervention program are in the treatment group and while those who are not are in the control group.

Questions:
1. Is there a significant difference in the math, reading and IQ scores of
students in the treatment and controlgroups?
2. Is the intervention program effective?
3. Is there a significant difference in the math, reading and IQ scores of
studentswhen they are grouped according to the extent of their physical
disability?
4. Isthereasignificantinteractionbetweentreatmentandextentof
disabilityonthe students’ reading, math and IQscores?

group disability score_reading score_maths IQ var 1 Treatment Group Mild 115 108 110 2 Treatment Group Mild 98 105 102 3 Treatment Group Mild 107 98 100 4 Treatment Group Moderate 100 105 115 Treatment Group Moderate 105 95 98 6 Treatment Group Moderate 95 98 100 7 Treatment Group Severe 89 78 99 8 Treatment Group Severe 100 85 102 9 Treatment Group Severe 90 95 100 10 Control Group Mild 90 92 108 11 Control Group Mild 85 95 115 12 Control Group Mild 80 81 95 13 Control Group Moderate 70 80 100 14 Control Group Moderate 85 68 99 15 Control Group Moderate 78 82 105 16 Control Group Severe 65 62 101 17 Control Group Severe 80 70 95 18 Control Group Severe 72 73 102
Transcribed Image Text:group disability score_reading score_maths IQ var 1 Treatment Group Mild 115 108 110 2 Treatment Group Mild 98 105 102 3 Treatment Group Mild 107 98 100 4 Treatment Group Moderate 100 105 115 Treatment Group Moderate 105 95 98 6 Treatment Group Moderate 95 98 100 7 Treatment Group Severe 89 78 99 8 Treatment Group Severe 100 85 102 9 Treatment Group Severe 90 95 100 10 Control Group Mild 90 92 108 11 Control Group Mild 85 95 115 12 Control Group Mild 80 81 95 13 Control Group Moderate 70 80 100 14 Control Group Moderate 85 68 99 15 Control Group Moderate 78 82 105 16 Control Group Severe 65 62 101 17 Control Group Severe 80 70 95 18 Control Group Severe 72 73 102
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