It has been suggested that listening to classical music improves children\'s abi
ID: 3290670 • Letter: I
Question
It has been suggested that listening to classical music improves children's ability to reason about spatial relations, and that learning to play a musical instrument at a young age may boost IQ scores. Seven randomly chosen 6-year olds were given free music lessons for 1 year. Their IQ scores were assessed by standardized tests given prior to the music lessons and after 1 year of lessons. You plan to test the hypothesis that students' IQ scores were significantly higher after the music lessons. Report the value of the t test statistic to two decimal places
Data are given below:
Before After
107 114
120 126
110 112
95 103
136 133
99 105
118 119
Explanation / Answer
from above test stat t=2.57
before after difference(d) 107 114 7 120 126 6 110 112 2 95 103 8 136 133 -3 99 105 6 118 119 1 mean 3.857 std deviaition 3.9761 sample size 7.0000 std error= std dev/(n)^(1/2) 1.5028 t stat= (d)/std error 2.5666 p value = 0.0213Related Questions
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