ease awnser following question    2. An overbearing mother recorded the number of minutes her daughter spent exercising over 4 days. Here are the number of minutes per day: 2, 9, 14, 15 a. Write out the formula for: mean of x b. Use the formula to evaluate mean of x, by plugging in the values and manually carrying out the calculation. c. Write out the formula for standard deviati

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Please awnser following question 

 

2. An overbearing mother recorded the number of minutes her daughter spent
exercising over 4 days. Here are the number of minutes per day:
2, 9, 14, 15
a. Write out the formula for: mean of x
b. Use the formula to evaluate mean of x, by plugging in the values and manually carrying out
the calculation.
c. Write out the formula for standard deviation.

 

Please solve a, b and c

2. An overbearing mother recorded the number of minutes her daughter spent
exercising over 4 days. Here are the number of minutes per day:
2, 9, 14, 15
a. Write out the formula for:
b. Use the formula to evaluate , by plugging in the values and manually carrying out
the calculation.
c. Write out the formula for standard deviation.
d. Evaluate the standard deviation, by plugging in the values and manually carrying
out the calculation.
Transcribed Image Text:2. An overbearing mother recorded the number of minutes her daughter spent exercising over 4 days. Here are the number of minutes per day: 2, 9, 14, 15 a. Write out the formula for: b. Use the formula to evaluate , by plugging in the values and manually carrying out the calculation. c. Write out the formula for standard deviation. d. Evaluate the standard deviation, by plugging in the values and manually carrying out the calculation.
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