Helen is studying the daily mean wind speed for Camborne using the large data set from The data for one month are summarised in Table 1 below.
2.
13
14
12
11
9
n/a
6.
7
8
2
1
Windspeed
Frequency
1
3
2
13
2
3
2
Table 1
(a) Calculate the mean for these data.
(b) Calculate the standard deviation for these data and state the units.

step-by-step explanation:

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step-by-step explanation:

hello :

by applying the distributive property :

6 × 4.3 = 6 × ( 4 + 0.3 )

            =   (6 ×   4) + (6 ×   0.3)

            = 24 + 1.8

6 × 4.3 = 25.8

the car was traveling 40 mph before it started skidding. ( 2 points ) 17. was the driver were her brakes working at 75% efficiency or better? ( 2 points ) yes 29.

step-by-step explanation: