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Mathematics, 17.06.2020 00:57 nook4boo
Baby talk: In a sample of 69 children, the mean age at which they first began to combine words was 16.44 months. with a standard deviation of 9.47 months. Part 1 out of 2 Construct a confidence interval for the mean age at which children first begin to combine words. Round the answers to two decimal places. A 98% confidence interval for the mean age is:
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Baby talk: In a sample of 69 children, the mean age at which they first began to combine words was 1...
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