# statistics

1. The exam scores for the students in an introductory statistics class are as follows.
88 63 90 64 82 98 96 75 89 86 76
84 70 67 34 89 85 39 81 96 92 85
a. Compute the mean and the median score.
b. Identify the shape of the distribution of score. Explain why.
c. Construct a frequency distribution using 6 classes of equal width.
d. Use midpoints of the classes to compute average score.

1. 👍 0
2. 👎 0
3. 👁 71

## Similar Questions

1. ### stats

Relatively speaking, which statistics exam did you do better on? On your first statistics exam you scored a 72 and on the second exam you scored an 89. Hey, youâ€™re improving! Or are you? On the first exam, the class mean was 71

asked by kelly on February 5, 2013
2. ### Statistics

The next three questions refer to the following situation. Data from previous years reveal that the distribution if first exam scores in an introductory statistics class is approximately normal with a mean of 72 and a standard

asked by Tara on August 24, 2013
3. ### statistics

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and

asked by shirley on November 29, 2011
4. ### statistics

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and

asked by neil on June 3, 2011
5. ### math

Statistics: Analyze student exam scores Students were given an exam with 300 multiple choice questions. The distribution of the scores were normal and the mean was 195 with a standard deviation of 30. you may find it helpful to

asked by ro on March 21, 2012
6. ### Statistics

In Professor Smith's statistics course, the correlation between students' total scores before the final exam and their final exam scores is r = 0.67. The pre-exam totals for all students in the course have a mean of 275 and a

asked by Jannel on February 1, 2009
7. ### Statistics on Psychology

Hi there, I was looking for any assistance or help on how I would go about starting this assignment? Having difficulty understanding it. Thank you in advance. "A stats instructor is interested in investigating time of day his

asked by Evan on November 24, 2012
8. ### Statistics help?

Hi there, I was looking for any assistance or help on how I would go about starting this assignment? Having difficulty understanding it. Thank you in advance. "A stats instructor is interested in investigating time of day his

asked by Evan on November 26, 2012
9. ### Statistics

5. Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. a. What is the probability that a randomly selected exam will have a score of at least 71? b. What

asked by Zac on March 5, 2012
10. ### Research and Statistics

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and

asked by Moreen on September 11, 2010
11. ### Statistics

Multiple choice question that's hard to figure out and understand.(information provided) Ten members of a fraternity take a statistics course. Here are their scores on the first exam in the course: 61,74,47,60,62,63,65,79,55,85.

asked by Junior on December 10, 2013

More Similar Questions