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Mathematics, 24.01.2020 13:31 brandiyocham

The mean age of a student book club is 14.2 years. a 27-year-old teacher is invited to join the club. how does the teacher’s age affect the mean?

a. the new mean age will be 20.6 years.

b. the new mean age will be greater than 14.2 years.

c. the new mean age will be less than 14.2 years.

d. the new mean age will still be 14.2 years.

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