Answer to Question #347848 in Statistics and Probability for Justine Jose

Question

1. A researcher used a developed problem solving test to randomly select 50 Grade 6 pupils. In

this sample, and . The mean and the standard deviation of the population used in

the standardization of the test were 75 and 15, respectively. Use the 95% confidence level.

2. The decision is ________ the null hypothesis because there is ____________ evidence to

_________ it. This implies that there is _____________________ between the means. According to

the test, we can say that the sample belongs to a population that is _________ average, which is 75.

Answer 1

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