Which of the following actions will "always" change the value of the mean? a) adding a new score to the distribution b) removing a score from the distribution C) changing the value of one score d) All 3 of the other choices listed are correct.

Eugene must take four exams in a geography class. If his scores on the first three exams are 93, 68, and 82, what score does he need on the fourth exam for his overall mean to be the following? (a) at least 70(b) at least 80(c) at least 90

The top 16 winning scores for NFL games are listed below. Find the mean score.   Video Tutorial: How to find the mean on a TI-84   72 54 52 54 70 51 56 58 58 52 51 63 51 48 52 61     A. 54   B. 57.1   C. 63.2   D. 56.4

Q2: Which of the following is the correct mean for the given data: -2, -1, 0, 1,2 (A) 2 (B) 0 (C) 2.5 (D) None of the above

The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 1 4 1 7 4 8 4 9. 10 2 The mean score on this test is: The median score on this test is: Check Answer

ACT scores overall have a mean of 1017 and s = 207. If a college wants to admit only the top 30% of those, what score would they use as the minimum required? (Round to the appropriate whole number score). They would admit scores of and above.

Q.2) A manager at the delivery company recorded the mean and median delivery cost, but unfortunately lost the paper on which the values were recorded. However, the manager can remember that one value was about $4.00 and the other was about $4.40. Which value is the mean and which is the median? i. $4.00 is the mean and $4.40 is the median. ii. ii. $4.40 is the mean and $4.00 is the median. iii. It's impossible to tell which is which. 111. Q.3) Which of the following sets of four numbers has the largest standard deviation? (а) 100, 101, 102, 103 (b) 7, 8, 9, 10 (с) 5, 5, 5, 5 (d) 0, 1, 2, 3 (e) 0, 0, 10, 10

Consider the data: 12, 9, 11, 15, 13, 15, 16. (Show your work.) a) Determine the mean. b) Determine the standard deviation. c) Determine the median.

The table below shows the scores of a group of students on a 10-point quiz. Frequency Test Score 3 4 5 6 7 8 9 10 2 3 0 3 3 3 4 4 The mean score on this test is: The median score on this test is:

A teacher surveyed 11 students for how many days per week they have read newspaper. The result is shown as follows: 1 1 1 2 2 2 2 5 6 6 6 (a) Find the mean. (b) Find the median. (c) Find the mode.