StAT2000-Quantitative Analysis of a sample of 400 US students working in US
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Quantitative Analysis (STAT2000)
Added on 2021-11-05
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b) Probability of exactly two = 0.06 ii) Probability of more than two = P(3) + P(4) +P(5) +P(6) = 0.28 + 0.12 +0.0 + 0.94 = 0.78 iii) Probability of atleast three = P(3) + P(4) +P(5) +P(6) = 0.28 + 0.12 +0.0 + 0.38 = 0.78 f) Probability of success = Probability of person being involved in sales or occupation “2” = 0.06 Hence, probability of failure =
StAT2000-Quantitative Analysis of a sample of 400 US students working in US
Quantitative Analysis (STAT2000)
Added on 2021-11-05
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STAT2000-Quantitative Analysis STUDENT ID: [Pick the date]
Introduction A random sample of 400 individuals working in US has been provided and the objective is to conduct a statistical analysis by selecting a unique set of 50 observations based on the underlying student ID. There are three tasks that need to be performed which require the use of both descriptive and inferential statistical techniques. The output obtained along with interpretation of the same would be provided in this report. Task 1 The sample of 50 observations has been obtained and listed in Appendix 1. a) For the variable sex, the relevant column chart and pie chart are indicated below. 1
It is apparent from the above graphs and charts that the selected sample of 50 individuals selected comprises of 21 males and 29 females and hence representation of females is higher than males which may not be true in the actual population. Task 2 a) The frequency distribution of the occupational category is indicated below. The relevant descriptive statistics for the occupational category using Excel have been obtained as shown below. b) The requisite probability distribution of occupational category using the relative frequency approach is captured below. 2
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