5 What is the decision Ms Lubna Ineirat 153 homework3 a random sample of 10

# 5 what is the decision ms lubna ineirat 153 homework3

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5. What is the decision? Ms. Lubna Ineirat 153
homework3: a random sample of 10 persons is selected from a normal population, if the sample mean is 27 and the population variance is 20 , test the claim that the population mean is less than 4 ?(use 𝛼 = 0.05 ). 1. State the null and alternative hypothesis of your test: 2. Is this a one tail or two tail test ? 3. What is the calculated value of the test statistic? 4. What is the critical value for this hypothesis test? 5. What is the decision? Ms. Lubna Ineirat 154
The end G o o d l u c k ^ _ ^ Ms. Lubna Ineirat 155
Biostatistics Topics covered 1 . Introduction to Biostatistics 2 . Descriptive Statistics ( just raw data , mean , median , mode , range , variance , standard deviation, Percentiles , Q1,Q2,Q3 , box-plot ). ( delete frequency table ). 3 . Simple Linear Regression and Correlation 4 . Some Basic Probability Concepts 5 . Samplind Distributions (Normal distribution) 6 . Estimation 7 . Testing Hypothesis Ms. Lubna Ineirat 156

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