Test scores 77,92,84,97,72,88,77

Scores on a test are normally distributed with a mean of 68.2 and a standard deviation of 10.4. Esti...

The mean of 4 test scores is 90. What is the sum of the scores?

the scores on a 100 pt test are normally distributed with a mean of 80 and a standard deviation of 6...

IQ test scores are normally distributed with a mean of 97 and a standard deviation of 11.An individu...

The mean of three test scores is 74. What must a fourth test score be to increase the mean to 78?

These are your test scores: 82, 78, 93, and 70. With an average of 80 for a B needed, what score do...

The top five test scores in Mr. Rhodes class were: 98, 92, 96, 97, and 97. What is the mean absolut...

Of 20 test scores, seven are less than or equal to 81. What is the percentile rank of a test score...

Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of...

Test Scores 5 6 7 8 9 Frequency 4 2 3 5 6 ( iii ) Write down the mode....

Question