The mean score on a set of 25 tests is 74. Suppose two more students take the test and score 68 and 64. What is the new​ mean?

Is the number two in the sentence a statistic or a perimeter? Two students out of all 29 students in a class have red hair.

You are part of a 12-member team. The mean age of the team equals 44 years. Four newpersons, who happen to be the same age, now join the team. If the mean of theexpanded 16-member team equals 47 years, how old are the newly joined members?

A commuter travels many miles to work each morning. She has timed this trip 5 times during the last month. The time (in minutes) required to make this trip was 34, 39, 41, 35, and 41. The mean time (in minutes) required for this trip was _______. 35 41 38 37.5 35.5

There are five students who scored 90, 90, 95, 90, 92 on the midterm exam. The 6th person did not take a test and received zero. What will happen to the mean?

5. Given an example where you measured the height of 10 of your classmates and computed a mean of 70 inches and standarad diviation of 4 inches, COmpute the T scores for 68 inches and 76 inches.

From an assessment record it is found out, the mean of 11, 13, a, 9,8 is 11. For another set the mean of 12, b, 7, 9, a, 10 is 12. Find the values of a and b.

In Statsville there’s a city-wide speed limit of 30 mph.If you are caught speeding the fine is $100 plus $10 forevery mile per hour you were over the speed limit. Forexample, if you’re ticketed for going 45 mph, your fine is100 + 10145 - 302 = +250. Last month all the driverswho were fined for speeding averaged 42 mph with astandard deviation of 7 mph. What were the mean andstandard deviation of the fines?A) $120 and $70 B) $220 and $7C) $220 and $70 D) $220 and $170E) $420 and $70

The mean of 5 numbers is 20. If one number is excluded their mean is 15. Then the excluded number is O a. 20 Ob. O b. 40 О с. 5 O d. 10

If I have a high school student whose mean height is seven or 67.8 inches 150 were girls in the mean height of the girls was 63.0 inches what is the mean height of the boys