Mathematics, 12.03.2020 18:44 KevinReed8292
The test statistic of zequals2.05 is obtained when testing the claim that pgreater than0.7. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of alphaequals0.10, should we reject Upper H 0 or should we fail to reject Upper H 0?
Answers: 3
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Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.
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The test statistic of zequals2.05 is obtained when testing the claim that pgreater than0.7. a. Ident...
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