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A researcher wants to test if the elementary school children spend less than 30 minutes per day on homework. A random sa
Posted: Wed Dec 15, 2021 10:40 am
by answerhappygod
- A Researcher Wants To Test If The Elementary School Children Spend Less Than 30 Minutes Per Day On Homework A Random Sa 1 (20.86 KiB) Viewed 113 times
A researcher wants to test if the elementary school children spend less than 30 minutes per day on homework. A random sample of 64 children from the school shows that they spend an average of 26.9 minutes per day on homework. Assume that o = 17.9 minutes, and that the test is to be made at the 1% significance level What is the critical value of z? -258 -233 02.06 0 -1.96 What is the value of the test statistic. x, rounded to three decimal places? What is the p-value for this hypothesis test rounded to four decimal places? 1 Should you reject or fail to reject the nullhypothesis in this test?