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The parts of this exercise concern the variable Dad's Height, which is data for father's height as reported by n = 167 college students.
a. What is the shape of the histogram given for the variable Dad's Height? Are there any outliers?
b. Refer to part (a). Based on the shape of the histogram, explain whether or not the Empirical Rule will apply.
c. What numerical values are given by the applet for the interval mean ±s? What percentage of the data values are in this interval? Compare this percentage to the percentage that would be expected if the Empirical Rule applies.
d. What numerical values are given by the applet for the interval mean ±2s? What percentage of the data values are in this interval? Compare this percentage to the percentage that would be expected if the Empirical Rule applies.
Discuss how the statistical application of Pearson r is used for hypothesis testing. Through application of the Spearman Correlation discuss what type of data the Pearson formula can be used for.
Choose the most reasonable measurement. Tyrell read the nutrition label on the back of his frozen dinner. Choose the most reasonable estimate for the amount of sodium in the dinner.
Construct a confidence interval for 95% , the difference between the mean daily calorie consumption of females in September-February and the mean daily calorie consumption of females in March-August. Then complete the table below.
Is the motor vehicle insurance advisor's claim valid? Formulate the null and alternative hypothesis and conduct a hypothesis test for a single proportion, using α = 0.05. Use the NORMSDIST function in Excel to compute the p-value of the test stati..
an analyst must decide between two different forecasting techniques for weekly sales of roller blades a linear
You are using the moving-average forecasting method based upon sales in the last three months to forecast sales for the next month. When making the forecast for last month, sales for the third month before were 805.
How did China influence the world of the third-wave era? How was China itself transformed by its encounters with a wider world?
a load cell is used to take repeated measurements of the force produced by a hydraulic cylinder. the load cell has an
(a) the hypothesis that a random variable has a gamma distribution with α = 3 and β = 2;
In a study comparing individual performance with group performance
What is the new mean annual salary (including the bonus and raise) of the employees?
Suppose that lifetimes of such mice are normally distributed with standard deviation of 6 months, determine the probability that given mouse will live?
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