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(b) The correct symbol for the mean of the sampling distribution is: (d) Choose the correct distribution: Normal Distribution T.Distrituution Chi-Square bistribution
Normal Oistribution T-Distribution Chi-Square Distribution Why?:- The siae of $n1<30$ and $n2<30$. The size of $nt>30$ and $n2=30$. We are provided with $zˉ_{1}$ and $zˉ_{2}$. We are not provided wath $σ$ for the two populations. n1p1, n1(1-p1), n2p2, and $n2(1,p2)$ are att greater than 5 . Wo are provided with $α$ for the two populations. (e) state the decision rule: (f) Experiment: Symbel of the sample tatatistic:

Given:

The sample size for female students

The sample size for male students

The sample mean IQ score for female students

The sample mean IQ score for male students

Population standard deviation for both populations

Significance level

The hypotheses can be stated as follows:

Null hypothesis : There is no significant difference in the mean score between female and male college students.

Alternative hypothesis There is a significant difference in the mean score between female and male college students.

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