EM-2963
Measures of spread
E Math · Secondary 4 · Hard · Measures of spread
The table shows the masses, in g, of 40 packets of rice.
Mass (g): 990 < x ≤ 995, 995 < x ≤ 1000, 1000 < x ≤ 1005, 1005 < x ≤ 1010
Frequency: 5, 11, 17, 7
Calculate the standard deviation of the masses, correct to 2 decimal places.
Mass (g): 990 < x ≤ 995, 995 < x ≤ 1000, 1000 < x ≤ 1005, 1005 < x ≤ 1010
Frequency: 5, 11, 17, 7
Calculate the standard deviation of the masses, correct to 2 decimal places.
- g
- g
- g
- g
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.