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if i undertook a survey of and got the following results a) Question 1, i recorded 43 response and all are YES b) Question 2, i recorded 36 response for YES and 7 respondents are NO c) Question 3, i recorded 43 responses and all are YES. How do i use Chi-square to test my hypothesis?
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When a hypothesis is developed what is often designed to test the hypothesis?
An experiment
How do you decide whether to use a z test or a t test when testing a hypothesis about a population mean?
You use a z test when you are testing a hypothesis that is using proportions You use a t test when you are testing a hypothesis that is using means
What do you call the statement that determines if the null hypothesis is rejected?
The hypothesis test.
How can a scientist test a hypothesis if he or she cannot do a controlled experiment?
scientists test their hypothesis buy making observations or doing research
How is the critical region utilized in hypothesis testing?
When you formulate and test a statistical hypothesis, you compute a test statistic (a numerical value using a formula depending on the test). If the test statistic falls in the critical region, it leads us to reject our hypothesis. If it does not fall in the critical region, we do not reject our hypothesis. The critical region is a numerical interval.
