144 Answered Questions for the topic Standard Deviation
Mr. Johnson's class is normally distributed with a class average of 75% and a standard deviation of 6. What are the quartiles of Mr. Johnson's class?
Given the mean score on the test is 300 and the standard deviation is 30. What value on the test must a person score to be in the top 10%?
The scores are adjusted so that the mean score is about mu =75 and the standard deviation sigma =5. What percent of the scores fall between 65 and 75?
Farming Watermelon Statistics Question
Mean and Percentage
Normal Distribution Question
Math Question on scores
STA 2023 Standard Deviation
We have a mean of 126 and standard deviation of 18. Use the 68-95-99.7 rule to determine the percent of scores in the data set expected to be between the scores 72 and 144. Give your answer in decimal
When Finding standard Deviation do you use numbers in the data set that are zero?
A random sample of 36 drivers used on average 749 gallons of gasoline per year. If the standard deviation of the population is 332, find the 95% confidence interval of the mean for all drivers.
500 with a standard deviation of 150, on which exam did Carlita perform better?
What were the original eight measurements collected using the mean and deviations?
What is the variance and standard deviation of 77,96,87,81,62,90 and 84?
Standard deviation and z-scores
Homework Help really struggling
Help me with this problem please
How do I determine the whole number of standard deviations that includes all data values?