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Name: Average IQ scores for young school children are known to be 100 (SD =
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Description: Average IQ scores for young school children are known to be 100 (SD = 15). However, the literature indicates that children’s intelligence may be decreased if their mothers have German measles during pregnancy. Using hospital records, a researcher o

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Average IQ scores for young school children are known to be 100 (SD = 15). However, the literature indicates that children’s intelligence may be decreased if their mothers have German measles during pregnancy. Using hospital records, a researcher obtained a sample of n = 25 school children whose mothers all had German measles during their pregnancies. Do the data indicate that children born to mothers who had German measles during the pregnancy have significantly lower IQ scores than typical young school children?

child	IQ scr
1	91
2	111
3	97
4	95
5	96
6	95
7	95
8	96
9	94
10	93
11	95
12	92
13	96
14	91
15	97
16	93
17	92
18	99
19	93
20	97
21	85
22	94
23	96
24	95
25	96

A. Is the dependent variable categorical or quantitative? A

B. What is the mean IQ for the sample? B

C. What is the sample standard deviation? C

D. What is the population mean?

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