Find the mean of the children at their current ages

Assignment Help Basic Statistics

Reference no: EM131787322

Ages (Example 6) A father has five children of ages 2, 3, 5, 8, and 9 years.

a. Calculate the standard deviation of their current ages.

b. Without doing any calculation, indicate whether the standard deviation of the children's ages in the next 15 years will be larger, smaller, or the same as the standard deviation of their current ages. Check your answers by calculating the standard deviation of the ages in 15 years. Explain how adding 15 to each number affects the standard deviation.

c. Find the mean of the children at their current ages.

d. Without doing any calculation, indicate whether the mean of the children's age in the next 15 years will be larger, smaller, or the same as the mean of the current ages. Confirm your answer, and describe how adding 15 to each number affects the mean.

Reference no: EM131787322

Questions Cloud

Determine the price of a european put option : Determine the price of a European put option on a 6.5% four-year Treasury bond with a strike price of 100.25 and two years to expiration assuming the same.

What is the range of birth lengths of us-born children : What is the range of birth lengths (in centimeters) of U.S.-born children from one standard deviation below the mean to one standard deviation above the mean?

What is the dealer bid-ask spread : a. What is the dealer's bid-ask spread? b. How would the dealer quote the terms by reference to the yield on five-year Treasury notes?

Accounts for the differences in leverage of the companies : Using Standard & Poor's data or annual reports, compare the financial and operating leverage of Chevron, Eastman Kodak, and Delta Airlines.

Find the mean of the children at their current ages : Calculate the standard deviation of their current ages. Find the mean of the children at their current ages.

Which layer 2 frame is now the commonly accepted standard : Which Layer 2 frame is now the commonly accepted standard? What are its constituent components? What function does each of these components implement?

Explain how the cash flow is determined : In determining the cash flow for the floating-rate side of a LIBOR swap, explain how the cash flow is determined.

Integrate lean management and six sigma : Currently, the trend is to integrate lean management and six sigma.

How would each of the plans affect earnings per share : Dickinson Company has $12 million in assets. Currently half of these assets are financed with long-term debt at 10 percent and half with common stock having.

User Account

All Pages