8.3_ACTIVITY_-_Tomatoes! - ACTIVITY Tomatoes MATERIALS...

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ACTIVITY: Tomatoes! MATERIALS: Computer with Internet access—one for the class or one per pair of students A farmer wants to estimate the mean weight (in grams) of all tomatoes grown on his farm. To do so, he will select a random sample of 4 tomatoes, calculate the mean weight (in grams), and use the sample mean x to create a 99% confidence interval for the population mean . Suppose that the weights of tomatoes grown on his farm are approximately Normally distributed with a mean of 100 grams and a standard deviation of 40 grams. 1. Launch the Simulating Confidence Intervals for Population Parameter applet at . Use the applet to simulate tanking an SRS of size 4 from this population and creating a one-sample z interval. In the first drop-down box, change proportions to means. Enter =100,
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