Multiple Choice
The coach of an adult Master's Swim class selected eight swimmers within each of the two age groups shown below.A 50-yard freestyle time is recorded for each swimmer.The resulting times (seconds) are shown below.Which statistical test would you choose to compare the two groups? 
A) t-test for independent samples with known variances
B) t-test for independent samples with unknown variances
C) t-test for paired samples
D) z-test for two independent proportions
Correct Answer:
Verified
Correct Answer:
Verified
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