Multiple Choice
A double glazing firm compares the number of windows in customers' orders in one month and produces the following data [number of windows(frequency) ]: 0 to 2(15) ; 3 to 5(6) ; 6 to 8(3) . Calculate the standard deviation of this data (2 decimal places) .
A) 7.10
B) 7.20
C) 7.30
D) 7.40
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q2: You are told that wage levels are
Q3: The mean price of a house in
Q4: Calculate the standard deviation (2 decimal places)
Q5: How might the variability of two distributions
Q6: Which of the following statements about the
Q7: In a flour mill 6 bags of
Q8: Calculate the coefficient of variation for a
Q9: Calculate Pearson's measure of skewness for data
Q10: Why is the standard deviation often considered