View the step-by-step solution to:

Suppose the number of married men (in thousands) between the ages of 20 and 44 in the United States in a certain year is given in the following table....

Suppose the number of married men (in thousands) between the ages of 20 and 44 in the United States in a certain year is given in the following table.

Age    20-24    25-29    30-34    35-39    40-44   

 Men    1292    4119    6275    7518    7673    

Find the mean and the standard deviation of the given data. Hint: Assume that all ages lying within a group interval take the middle value of that group. (Round your answers to two decimal places.)

mean ?

 yr

standard deviation ?    yr

Top Answer

Mean of the grouped data:  ​ X ​ ¯... View the full answer

A1.PNG

Sign up to view the full answer

Other Answers

Mean,  ​ x ​ ¯ ​ ​  = Sum of number of men / Total number of age groups = 5375.40... View the full answer

E4.JPG

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

-

Educational Resources
  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question
Ask a homework question - tutors are online