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Mathematics, 10.03.2020 03:32 jvsome8
A medical researcher wondered if there is a significant difference between the mean birth weight of boy and girl babies. Random samples of 5 babies' weights (pounds) for each gender showed the following:
Boys: 8.0 4.7 7.3 6.2 3.4
Girls: 5.3 2.8 6.4 6.8 7.4
To test the researcher's hypothesis, we should use the:
a) paired (dependent) samples t-test
b) independent samples t-test
c) large-sample z-test
d) t-test for correlation
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