Estimate of the population proportion of male customers

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Reference no: EM132275667

Business Statistics Assignment - Computer Project

The following data are collected for a sample of 40 customers served by tellers during peak business hours. For each customer selected, you are provided with the customer's Waiting Time (minutes), Annual Income ($), Gender (male, female), and Type of Card used in the transaction (Visa, MasterCard, Discover, or American Express).

Given this data set, answer the following 4 questions using Minitab. Every student must email me the results as a word document attachment and the Minitab file where the computations are done.

Questions:

1. Construct and interpret the 99% confidence interval estimate of the population mean "WaitTime" for all customers. Type in your explanation below the output from Minitab.

2. Construct and interpret the 99% confidence interval estimate of the population proportion of male customers. Type in your explanation below the output from Minitab.

3. Is the mean "Income" for all customers no more than $38,000? Perform the appropriate hypothesis test using alpha = 0.05. Type in your explanation below the output from Minitab.

4. Is the proportion of American Express card transactions less than 0.3? Perform the appropriate hypothesis test using alpha = 0.05. Type in your explanation below the output from Minitab.

Data for a sample of 40 customers:

Wait Time	Income	Gender	Type of Card
1.6	29000	Male	Discover
6.6	32000	Female	Discover
5.6	36000	Male	Discover
5.1	65000	Female	Discover
3.9	36000	Male	Discover
4.6	33000	Female	MasterCard
6.5	31000	Male	MasterCard
6.4	41000	Female	Visa
8.6	39000	Female	Visa
4.2	33000	Female	Visa
5.8	68000	Female	MasterCard
3.4	23000	Female	MasterCard
9.3	72000	Male	Visa
7.4	52000	Female	Visa
1.8	37000	Male	Visa
11.6	46000	Female	MasterCard
5.4	29000	Male	MasterCard
4.9	36000	Male	Discover
5.4	55000	Male	Discover
1.0	27000	Male	Discover
2.5	33000	Male	MasterCard
8.3	42000	Male	MasterCard
6.1	37000	Female	American Express
6.3	31000	Female	American Express
12.1	62000	Male	American Express
10.7	69000	Female	American Express
2.9	25000	Male	American Express
12.9	80000	Male	American Express
4.7	34000	Male	American Express
3.9	42000	Male	Visa
3.2	24000	Female	Visa
12.3	79000	Male	MasterCard
2.3	76000	Female	MasterCard
8.7	37000	Male	MasterCard
4.7	36000	Female	MasterCard
3.6	59000	Male	MasterCard
2.7	27000	Male	Visa
3.7	20000	Male	MasterCard
1.0	28000	Male	MasterCard
10.2	72000	Male	MasterCard

Note - This business statistics assignment must be done through minitab.

Reference no: EM132275667

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len2275667

4/5/2019 1:47:25 AM

The business statistics assignment is attached. MUST be done through minitab. Given this data set, answer the following 4 questions (10 points each-total 40 points) using Minitab. Every student must email me the results as a word document attachment and the Minitab file where the computations are done. Type the following in the subject line of the email: DS265-Project 2. Instructions on the use of Minitab in answering similar questions are explained in class, but similar instructions are also available at the end of chapter 8 and 9 in your textbook. Good luck!! Remember the EMU policy on academic dishonesty. All work must be done by you alone!!

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