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A science teacher claims that the mean scores on a science assessment test for fourth grade boys and girls are equal. The mean score for
A science teacher claims that the mean scores on a science assessment test for fourth grade boys and girls are equal.
The mean score for 53 randomly selected boys is 138 with a standard deviation of 39
The mean score for 75 randomly selected girls is 138 with a standard deviation of 30
At = 0.05, can you reject the teacher's claim?
Assume the populations are normally distributed and the population variances are equal.
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