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Find the mean, the median, and the mode(s), if any, for the given data

Math

1. Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to the nearest tenth. (If there is more than one mode, enter your answer as a comma-separated list. If an answer does not exist, enter DNE.)

52, 48, 14, 39, 40, 35, 8, 12

2. Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to the nearest tenth. (If there is more than one mode, enter your answer as a comma-separated list. If an answer does not exist, enter DNE.)

8.9, −2.84.94.96.28.79.5
3. In some 4.0 grading systems, a student's grade point average (GPA) is calculated by assigning letter grades the following numerical values.
 A = 4 B− = 2.67 D+ = 1.33 A− = 3.67 C+ = 2.33 D = 1 B+ = 3.33 C = 2 D− = 0.67 B = 3 C− = 1.67 F = 0
Jerry's Grades, Fall Semester
Course Course Grade Course Units
English A 3
Anthropology A− 3
Chemistry B+ 4
French C 3
Theatre B 2
Use this grading system to find this student's GPA. Round to the nearest hundredth.

Find the mean, the median, and all modes for the data in the given frequency distribution. (Round your answers to one decimal place. If there is more than one mode, enter your answer as a comma-separated list. If an answer does not exist, enter DNE.)
Points Scored by Lynn
Points Scored in a Basketball Game Frequency
2 10
6 6
8 10
13 4
17 1
21 3
22 1

Another measure of central tendency for a set of data is called the midrange. The midrange is defined as the value that is halfway between the minimum data value and the maximum data value. That is,
Midrange =
 minimum value + maximum value 2
.
The midrange is often stated as the average of a set of data in situations in which there are a large amount of data and the data are constantly changing. Many weather reports state the average daily temperature of a city as the midrange of the temperatures achieved during that day. For instance, if the minimum daily temperature of a city was 60° and the maximum daily temperature was 90°, then the midrange of the temperatures is
 60° + 90° 2
= 75°.

Find the midrange of the following daily temperatures,which were recorded at three-hour intervals. (Round your answer to one decimal place.)
56°61°58°77°76°75°80°60°78°
Another measure of central tendency for a set of data is called the midrange. The midrange is defined as the value that is halfway between the minimum data value and the maximum data value. That is,
Midrange =
 minimum value + maximum value 2
.
The midrange is often stated as the average of a set of data in situations in which there are a large amount of data and the data are constantly changing. Many weather reports state the average daily temperature of a city as the midrange of the temperatures achieved during that day. For instance, if the minimum daily temperature of a city was 60° and the maximum daily temperature was 90°, then the midrange of the temperatures is
 60° + 90° 2
= 75°.

During a two-minute period, the temperature in a town increased from a low of 8°F to a high of 41°F. Find the mid-range of the temperatures during this two-minute period.
Mark averaged 60 miles per hour during the 30-mile trip to college. Because of heavy traffic he was able to average only 40 miles per hour during the return trip. What was Mark's average speed for the round trip?
Which of the following fitness scores is the highest relative score?
a score of 39 on a test with a mean of 31 and a standard deviation of 6.7a score of 1140 on a test with a mean of 1080 and a standard deviation of 68.3    a score of 4707 on a test with a mean of 3960 and a standard deviation of 558.9All scores are relatively equal.

On a placement examination, Rick scored lower than 1190 of the 12,660 students who took the exam. Find the percentile, rounded to the nearest percent, for Rick's score.
The table below shows the heights, in inches, of 15 randomly selected National Basketball Association (NBA) players and 15 randomly selected Division I National Collegiate Athletic Association (NCAA) players.
 NBA NCAA 84 77 79 75 81 82 76 86 78 80 78 79 85 76 77 78 73 73 78 78 76 75 75 75 82 75 79 78 80 73
Using the same scale, draw a box-and-whisker plot for each of the two data sets, placing the second plot below the first.