Researchers are interested to know whether there is a relationship between IQ scores among fraternal twins. The IQ scores for each pair of twins are listed below. Pair Twin A Twin B 1 106 110 2 115 107 3 97 105 4 75 68 Mean 98.25 97.5 SD 14.86 17.12 6.a Researchers have another pair of twins joining the study. If, for the new pair the IQ of Twin A is 110, what might you predict Twin B’s IQ might be?

Researchers are interested to know whether there is a relationship between IQ scores among fraternal twins. The IQ scores for each pair of twins are listed below. Pair Twin A Twin B 1 106 110 2 115 107 3 97 105 4 75 68 Mean 98.25 97.5 SD 14.86 17.12 6.a Researchers have another pair of twins joining the study. If, for the new pair the IQ of Twin A is 110, what might you predict Twin B’s IQ might be?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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Question

6.	Researchers are interested to know whether there is a relationship between IQ scores among fraternal twins. The IQ scores for each pair of twins are listed below.

Pair	Twin A	Twin B
1	106	110
2	115	107
3	97	105
4	75	68
Mean	98.25	97.5
SD	14.86	17.12

6.a	Researchers have another pair of twins joining the study. If, for the new pair the IQ of Twin A is 110, what might you predict Twin B’s IQ might be?

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