A scientist is studying the impact of certain vitamins on a person's ability to remember. The sample size for the experimental group was 45. When a two-tailed t test was calculated, the t statistic came out to be 1.74. What are the percent of variance (r²) and the size of the effect? O 0 08 which indie

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Q: Assume that the sample is a simple random sample obtained from a normally distributed population of…

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Q: 1.5,3,6, 12, How does it change?

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A: Given: Sample variances12=8.5Sample variances22=4

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