Calculate a 95 percent confidence interval for theunknown

Assignment Help Applied Statistics

Reference no: EM132309984 , Length: 2

Answer the following Questions :

QUESTION 1

Calculate a 95% confidence interval for theunknown population mean of Time people spend in social media site.

QUESTION 2

Test, at the 5% level of significance, whether the average yearly expenditure isdifferent than A$ 40 000?

QUESTION 3

Test, at 1% level of significance, whether the average Expenditure is different for male and female

[You may assume that the unknown population standard deviations for expenditure is equal]

QUESTION 4

Test, at the 5% level of significance, whethera person gender is associated to the type of mobile phone owned.

Reference no: EM132309984

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len2309984

5/22/2019 2:29:17 AM

(1) A file named “Assignment Data Sets”, containing the data sets for the following questions, can be downloaded from the e-learning site vUWS. You should find and download the data set your group has been allocated (eg data set 182). (2) You should use Excel to carry out all calculations and statistical analyses. To get started with Excel, see the instructions on page 13 of the textbook. (3) To complete this assignment, you must provide the Excel outputs for each of the questions in a report. (4) Your assignment submitted must be typed and word-processed. (5) The maximum number of pages for each submission is six (6), not including the cover page. No mark will be given if the number of pages exceeds the limit. (6) The assignment is to be submitted online by the team leader before 5pm, 26thJanuary2019 (7) Any late assignments will be penalised 10% of the total mark per day

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