In the United States the ages of smartphone users approximately follow a normal distribution with mean and standard devi

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In the United States the ages of smartphone users approximately follow a normal distribution with mean and standard devi

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In The United States The Ages Of Smartphone Users Approximately Follow A Normal Distribution With Mean And Standard Devi 1
In The United States The Ages Of Smartphone Users Approximately Follow A Normal Distribution With Mean And Standard Devi 1 (61.67 KiB) Viewed 15 times
In the United States the ages of smartphone users approximately follow a normal distribution with mean and standard deviation of 37.6 years and 10.9 years respectively. a. Calculate the interquartile range IQR of the distribution. 1. What is the third quartile, Q? 49 Q3 H. What is the first quartile, Q₁? 49 Q₁ = 15.8 26.7 376 158 1485 59.4 70 Q₂ Round your answers to four decimal places 158 26.71 376 48.5 li Cutoff for the top 40%- 26.7 37.61 X Round your answers to four decimal places i. From your previous two answers, what is the IQR? IQR-Q₂-Q₁ answer to one decimal place b. What is the cutoff for the top 40% of ages for smartphone users? 59.4 48.5 394 702 Round your answers to 703 Round your
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