IN DESPERATE NEED OF ANSWERS!
ITS A TEST I DIDN'T STUDY FOR AND I CANT FIND THE ANSWERS ANYWHERE. )):
MOST ARE MULTIPLE CHOICE! I NEED A PASSING GRADE ON THIS TEST TO PASS THE ENTIRE CLASS HELP HELP HELP

1) A is the same as the second quartile.
a. mean
b. median
c. mode
d. outlier

2) is the average of the data values.
a. mean
b. median
c. mode
d. range

3) A displays data on a number line by grouping the number values into equal intervals.
a. line plot
b. box and whisker plot
c. frequency table
d. histogram

4) Of 25 test scores, eight are less than or equal to 75. What is the percentile rank of a test score of 75?
a. 8
b. 17
c. 32
d. 68

5) Consider the following data set: 3, 7, 10, 11, 15, 18, 21, 22. On a separate sheet of paper, make a box-and-whisker plot and answer the following question.
A- The box includes numbers from...
a. 7 to 21
b. 8 to 18
c. 8.5 to 19.6
d. 10 to 21

6) The mean number of pairs of shoes sold by a shoe store is 36, with a standard deviation of 3. On what percent of days would you expect the store to sell from 33 to 42 pairs of shoes?
a. 13.5%
b. 50%
c. 68%
d. 81.5%

7) Suppose the scores on a test given to all juniors in a school district are normally distributed with a mean of 74 and a standard deviation of 8. On a separate sheet of paper, draw a Normal Curve and label the mean, standard deviations, and the associated percentages.
A- Find the percent of juniors who score no more than 90.
B- Find the percent of juniors who score between 58 and 84.
C- Find the percent of juniors who score at least a 74.
D- The probability that a randomly chosen junior has a score above 98.

8) What affect does the outlier have on the range of the data set {20, 27, 19, 24, 102, 24}?
a. Increase the range by 19
b. increases the range by 75
c. increases the range by 85
d. increases the range by 102

9)What is the mean and standard deviation of the data set {32, 35, 35, 45, 46, 48, 49, 50}?

10) The larger the standard deviation, the the individual values are to/from the mean.
a. closer
b. farther

11) A number used to tell how far a set of data values are dispersed from the mean is the . . .
a. mean
b. standard deviation
c. range
d. normal distribution