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question describing hypothesis testing blouin and riopelle 2004 made the following statement concerning how scientists
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question describing the z test in an article describing hypothesis testing with small sample sizes collins and morris
question 1 what is the main limitation of the z test name the alternative to the z test that does not have this
question 1 the sample variance is used in the formula for standard error when the population variance is not known why
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question a psychology department secretary notices that the average number of student complaints the department
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simple and basic statics problems -problem 1 - find the area under the normal curve that lies to the left of the
qusetion in a study on the likability of comedians 10 participants observed one of two comedians one who was humorous
question identify the four steps of hypothesis testingbull hypothesis testing or significance testing is a method of
question define null hypothesis alternative hypothesis level of significance test statistic p value and statistical
question define type i error and type ii error and identify the type of error that researchers controlbull we can
question distinguish between a one-tailed test and two-tailed test and explain why a type iii error is possible only
question define power and identify six factors that influence powerbull in hypothesis testing power is the probability
question 1 summarize the results of a one-sample z test in american psychological association apa format2 to report the
question 1 state the four steps of hypothesis testing2 what are two decisions that a researcher makes in hypothesis
question 1 what are the critical values for a one-sample nondirectional two-tailed z test at a 05 level of
question 1 alpha a is used to measure the error for decisions concerning true null hypotheses what is beta w error used
question 1 explain why the following statement is true the population standard deviation is always larger than the
question the weight in pounds for a population of school-aged children is normally distributed with a mean equal to 135
question a researcher selects a sample of 30 participants and makes the decision to retain the null hypothesis she
question a researcher conducts a one-sample z test and makes the decision to reject the null hypothesis another