math...Please help!!!!
posted by tanisha .
This is a standard deviation question.
I don't know much about standard deviation.
Here it goes... Teachers making 30,000 to $60,000 the union is considering a $1,000 pay raise.
A. Will the standard deviation change and the mean and the median stay the same?
B. Will the mean and the median change and the same and the standard deviation stay the same?
c. will the median and standard deviation change and mean stay the same?
D. will the mean and standard deviation change and the median stay the same?

math...Please help!!!! 
Steve
I think B, but the language is garbled.
The SD will not change. Read up on how the SD is figured, and you should see why.
Respond to this Question
Similar Questions

fiance
Sonny owns $5,000 worth of High Risk Enterprises (HRE) stock. HRE has a standard deviation of 16 percent and a beta of 2.0. He wants to invest another $5,000 and create a $10,000 portfolio that is equally as risky as the overall market. … 
Math
Sonny owns $5,000 worth of High Risk Enterprises (HRE) stock. HRE has a standard deviation of 16 percent and a beta of 2.0. He wants to invest another $5,000 and create a $10,000 portfolio that is equally as risky as the overall market. … 
Investing
Sonny owns $5,000 worth of High Risk Enterprises (HRE) stock. HRE has a standard deviation of 16 percent and a beta of 2.0. He wants to invest another $5,000 and create a $10,000 portfolio that is equally as risky as the overall market. … 
Math
Roughly speaking, the standard deviation indicates how far, on average, the observations are from the mean. Do you think that for the data set below the standard deviation will give a good indication of the typical deviation from the … 
Econ/statistics
The monthly earnings of teachers is normally distributed with a mean of $3,000 and the standard deviation of $250. We select a sample of 87 teachers. The sampling distribution of the sample mean has an expected value and standard deviation … 
statistics
the monthly sales at a computer store have mean of $25,000 and a standard deviation of $4,000. profits are calculated by multiplying sales ny 30% and subtracting fixed cost of $60,000. find the mean and standard deviation of monthly … 
Help Please Statistic
7. The table below shows the probability distribution of the types of food purchased by students from the school cafeteria. What is the probability a student has purchased Caesar salad? 
****HELP**** STATISTIC
The table below shows the probability distribution of the types of food purchased by students from the school cafeteria. What is the probability a student has purchased Caesar salad? 
MATH; STANDARD DEVIATION
suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000 use 689599.7 rule to find the percentage of buyers who paid: between $150,000 and $152,000 if the standard deviation is $1200 
Statistics
A college statistics class conducted a survey of how students spend their money. They asked 25 students to estimate how much money they typically spend each week on fast food. They determined that the mean amount spent on fast food …