6 statway student handout statway student handout

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Unformatted text preview: and sample size. B Is the sample mean consistent with the alternative hypothesis? C Is the sample size large enough to satisfy the criteria for approximate normality? D Consider the histogram below. Are the criteria for the approximate normality of the sampling distribution of sample means satisfied? © 2011 THE CARNEGIE FOUNDATION FOR THE ADVANCEMENT OF TEACHING A PATHWAY THROUGH STATISTICS, VERSION 1.6, STATWAY™  ­ STUDENT HANDOUT STATWAY™ STUDENT HANDOUT | 3 Lesson 10.3.1 Hypothesis Tests for Population Means Monar ch Magnetic Intensi ty 4 Frequency 3 2 1 0 0 100 200 300 Pico-EMU 400 500 600 Step 3: Assess the Evidence In this step we determine the test statistic and use that to determine the P ­value. When the sampling distribution of sample means is normal, and we use a sample standard deviation to standardize the sample mean, the test statistic varies according to the T ­dis...
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