How are the mean and median affected when the value 5 is included in the data set belo
2 answers:
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Solution :
a).
Given : Number of times, n = 25
Sigma, σ = 0.200 kg
Weight, μ = 13 kg
Therefore the hypothesis should be tested are :
b). When the value of
Test statics :
= 45.5
P-value = 2 x P(Z > 45.5)
= 2 x 1 -P (Z < 45.5) = 0
Reject the null hypothesis if P value < α = 0.01 level of significance.
So reject the null hypothesis.
Therefore, we conclude that the true mean measured weight differs from 13 kg.
Given
To write in logarithmic form we convert exponential form to logarithmic form
We apply the following rule
can be written as
here b = 6 , x=4 and a = 1296
can be written as
option A is correct