First calculate the mean and standard deviation for each of the six data sets that are given and after that calculate the 95 % confidence interval for each set of data. Concept introduction: 95 % of confidence interval can be calculated as follows when s is a good estimate of σ - C I = x ¯ ± z σ N Where x ¯ = Mean. z = Function of quantity. N = Degree of freedom C I = Confidence interval.

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Chapter A1, Problem A1.13QAP

Interpretation Introduction

Interpretation:

First calculate the mean and standard deviation for each of the six data sets that are given and after that calculate the 95% confidence interval for each set of data.

Concept introduction:

95% of confidence interval can be calculated as follows when s is a good estimate of σ - CI=x¯±zσN

Where

x¯= Mean.

z= Function of quantity.

N= Degree of freedom

CI= Confidence interval.

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