Find the mean for a set of data with a standard deviation of 1.3, given that a value if 95 has a z score of 0.5

Find the mean for a set of data with a standard deviation of 1.3, given that a value if 95 has a z score of 0.5

Explain why you did each step

Person A has a z-score of -3 and is on her phone for 7 hours a day. Person B has a z-score of -4 and is on her phone for 3 hours a day. It is a normal distribution. What would be the mean of the data...

Create a data set that has five values. The mean should be 12

If female blood pressure is normally distributed with a mean of 114 and standard deviation of 19.8, find p12 and p77

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word problem I need to solve for homework. I need to know how to get the answer

In a neighborhood near Simmons, there are 280 families. The average number of members per family is 3.5. How many people live in the neighborhood? a. 980 people b. 80 people c. 900 people d...

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,...

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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...

I gathered data using Likert scale questions 1,2,3,4,5, which I then inputted into SPSS and carried out an independent samples T-Test analysis. The T-Test results I then have to discuss, when it shows...

What is a real life situation in which using the median is preferable to the mean? Number examples please!

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

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...

4x+3,7,3x-2,9x

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find the value of a

The question: The ages, x years, of 150 cars are summarised by ∑x = 645 and ∑x2 = 8287.5 Find ∑(x-y)2 where y denotes the mean of x. The...