Question

10 The weights to the nearest 0.1 kg of a sample of three month old chickens were: 0.8, 0.7, 1.0, 0.9, 0.9, 0.8, 0.9, 1.0, 1.0, 0.8 a Find the sample mean and standard deviation. b In the next 3 months, the weights of the chickens doubled. Find the new sample mean and standard deviation. c Comment, in general terms, on your findings from a and b.

          10 The weights to the nearest 0.1 kg of a sample of three month old chickens were:
0.8, 0.7, 1.0, 0.9, 0.9, 0.8, 0.9, 1.0, 1.0, 0.8
a Find the sample mean and standard deviation.
b In the next 3 months, the weights of the chickens doubled. Find the new sample
mean and standard deviation.
c Comment, in general terms, on your findings from a and b.

10 The weights to the nearest 0.1 kg of a sample of three month old chickens were:
0.8, 0.7, 1.0, 0.9, 0.9, 0.8, 0.9, 1.0, 1.0, 0.8
a Find the sample mean and standard deviation.
b In the next 3 months, the weights of the chickens doubled. Find the new sample
mean and standard deviation.
c Comment, in general terms, on your findings from a and b.

Added by Andr-S H.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Rashmi Sinha

12/09/2023

Step 1

Step 1: The sample mean is the sum of all the weights divided by the number of weights. Show more…

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10 The weights to the nearest 0.1 kg of a sample of three month old chickens were: 0.8, 0.7, 1.0, 0.9, 0.9, 0.8, 0.9, 1.0, 1.0, 0.8 a Find the sample mean and standard deviation. b In the next 3 months, the weights of the chickens doubled. Find the new sample mean and standard deviation. c Comment, in general terms, on your findings from a and b.