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For the following claim, find the null and alternative hypotheses, test statistic, P-value, critical value and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population.
Claim: The mean IQ score of statistics professors is greater than 130.
Sample data: n = 12, mean = 134, s= 10. The significance level is a = 0.05.
a. Choose the correct null hypotheses (H0) and alternative hypothesis (H1).
Examine properties of good average with reference to AM, GM, HM, MEAN MEDIAN MODE
"index number is an economic barometer" comment on this statement
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In an agricultural experiment, we wish to compare the yields of three different varieties of wheat. Call these varieties A, B and C. We have a ?eld that has been marked into a 3 *
How do you change the base of the index
real time applications on graphical representation of o-give curves
1. Use the concepts of sampling error and z-scores to explain the concept of distribution of sample means. 2. Describe the distribution of sample means shape for samples of n=36
Based on the following graphs (next page) you should write a discussion report (2 pages) on: 1. Determination of whether the open-loop system response is consistent with a 1st o
Binomial Distribution Binomial distribution was discovered by swiss mathematician James Bernonulli, so this distribution is called as Bernoulli distribution also, this is a d
The Null Hypothesis - H0: The random errors will be normally distributed The Alternative Hypothesis - H1: The random errors are not normally distributed Reject H0: when P-v
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