## Mean Resources

In a large class of 500 students, the mean and standard deviation of a final exam are 65 and 11, respectively If the grades distribution is not symmetric at least how many students have grade...

The standard error of the sample mean is calculated to \$1,475.73. The president wants to be able to estimate mean cost to within \$1,500 of the true population mean with a probability of 80%. How many...

The scores of 2500 students on an exam have an approximately normal distribution with mean of 52 points and standard deviation of 11 points. Estimate how many students more than 52 points. If necessary,...

The mean age of six persons is 49 years. The ages of five of these six persons are 56 , 34 , 40 , 51 , and 36 years. Find...

Use the frequency distribution table below showing a sample data set for 10 students on a test with a maximum score of 12 to find the mean score. Score        Frequency 1...

Mean : 21 Median : 13 Mode : 8 Range : 30 Mean Absolute Deviation : 11.9   Please don't make the answer too confusing. Thank you!