Question

Calculate the standard deviation of the following test data by hand. Describe the mean and standard...

Calculate the standard deviation of the following test data by hand. Describe the mean and standard deviation in words after calculating it. Record the steps. Test Scores: 25, 82, 103, 33, 57, 75, 100, 81, 62, 29

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Calculate the standard deviation for the following data Formula: s = √( (∑(X− ? ̅)^2) /...
Calculate the standard deviation for the following data Formula: s = √( (∑(X− ? ̅)^2) / (N−1) ) Data: (X) X-mean (x - mean)2 80 6.7   44.89   75 1.7   2.89   77 3.7   13.69   62 -11.3   -127.69   58 -15.3   -234.09   81 7.7   59.29   66 -7.3   -53.29   75 1.7   2.89   88 14.7   216.09   71 -2.3   -5.29  
1. Determine the range, mean, median, mode, variance and standard deviation for the following scores: 18,...
1. Determine the range, mean, median, mode, variance and standard deviation for the following scores: 18, 14, 17, 22, 16, 26, 33, 27, 35, 28, 44, 40, 31, 53, 70, 73, 62, 74, 93, 103, 75, 86, 84, 90, 79, 99, 73
The average on a statistics test was 75 with a standard deviation of 11. If the...
The average on a statistics test was 75 with a standard deviation of 11. If the test scores are normally distributed, find the probability that the mean score of 25 randomly selected students is between greater than 82.
Find the range, mean, variance, and standard deviation of the population data set. 68 76 96...
Find the range, mean, variance, and standard deviation of the population data set. 68 76 96 77 85 80 87 99 80 112 100 89 101 81 98 82 91 111 97 89 84 92 114 103 92
Calculate the standard deviation for the following data. fill in all of the table group/bench tube...
Calculate the standard deviation for the following data. fill in all of the table group/bench tube 3 sample value mean deviation (deviation)2 1 90 2 138 3 103 4 175 5 120 6 81 Sum of squared deviations a.)Variances b.)Standard Deviations   
The average on a statistics test was 75 with a standard deviation of 11. If the...
The average on a statistics test was 75 with a standard deviation of 11. If the test scores are normally distributed, find the probability that the mean score of 36 randomly selected students is between 72 and 81.
A test has a mean score of 82 and a standard deviation of 6. The distribution...
A test has a mean score of 82 and a standard deviation of 6. The distribution of scores is bell-shaped. According to the Empirical Rule, approximately 95% of the scores are between what two values? Group of answer choices 70 and 94 73 and 91 76 and 88 64 and 100
Suppose we have the following data on scores for two exams: By hand, test to see...
Suppose we have the following data on scores for two exams: By hand, test to see whether the variances for the two examinations are equal. Test at the 0.05 level. Please show hand written answer and excel answer. EXAM 1           EXAM 2      90                     90      96                     92      80                     88      70                     84      77                     86      82                     78      75   
2. The average on a statistics test was 75 with a standard deviation of 11. If...
2. The average on a statistics test was 75 with a standard deviation of 11. If the test scores are normally distributed, find the probability that the mean score of 36 randomly selected students is between greater than 81. *
For the following Data determine the Mean, Standard Deviation, mode, median and coefficient of variation as...
For the following Data determine the Mean, Standard Deviation, mode, median and coefficient of variation as well as developing a histogram: 29, 30, 25, 27, 28, 25, 27, 27, 27, 30, 28, 29, 27, 30, 28, 26, 29, 25, 26, 29 (report answers in form xx.xx)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT