Mathematics, 30.04.2021 18:40 angsoccer02
Hypothesis Testing-Means and Proportions
Write all of the 4 of the steps for each of the tests below.
1. A principal at a school is worries that his students are below average intelligence. A random sample of 30
students' IQ scores has a mean of 96. Given that IQ scores are Normally distributed with a mean of 100
and standard deviation of 15, is there sufficient evidence to support the principal's claim? Test the claim at
5% significance level.
Answers: 2
Mathematics, 22.06.2019 02:30, brimccauley6518
Write a ratio and a percent for the shaded area. it is 3x3 and 5x5 grid there is 6 shaded out of a. 6 over 25 , 30% b. 3 over 50 , 6% c.6 over 25 , 24% d. 3 over 10 , 30%
Answers: 1
Mathematics, 22.06.2019 04:30, Calebmf9195
Jocelyn estimates that a piece of wood measures 5.5 cm. if it actually measures 5.62 cm, what is the percent error of jocelyn’s estimate? a. 2.13% b. 2.18% c. 12% d. 46.83%
Answers: 2
Hypothesis Testing-Means and Proportions
Write all of the 4 of the steps for each of the tests bel...
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