Question: a. A set of data is at the nominal level of measurement and you want to obtain a representative data value. Which of the following

a. A set of data is at the nominal level of measurement and you want to obtain a representative data value. Which of the following is most appropriate: mean, median, mode, or midrange? Why?
b. A sample is obtained by telephoning the first 250 people listed in the local telephone directory. What type of sampling (random, stratified, systematic, cluster, convenience) is being used?
c. An exit poll is conducted by surveying everyone who leaves the polling booth at 30 randomly selected election ridings. What type of sampling (random, stratified, systematic, cluster, convenience) is being used?

Step by Step Solution

★★★★★

3.31 Rating (148 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a Mode The median requires at least ordinal level data and the mean and the m... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

789-M-S-S-I (5293).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

The range for a set of data is estimated to be 36. a. What is the planning value for the population standard deviation? b. At 95% confidence, how large a sample would provide a margin of error of 3?...

The median-median line for a set of data is = 2.4x + 3.6. Find the residual for each of these data points. a. (2, 8.2) b. (4, 12.8) c. (10, 28.2)

The median-median line for a set of data is = -1.8x + 94. This table gives the x-value and the residual for each data point. Determine the y-value for each data point. -value 12 20 Residual 1-2.71....

a. A set of data is at the nominal level of measurement and you want to obtain a representative data value. Which of the following is most appropriate: mean, median, mode, or midrange? Why? b. A...

2. a. A set of data is at the nominal level of measurement and you want to obtain a representative data value. Which of the following is most appropriate: mean, median, mode, or midrange? Why?

The weights, in pounds, of packages on a delivery truck are shown in the stem-and-leaf plot. Find the mean, the median, and the mode of 0 79 the data, if possible. If any measure cannot be found or...

This question: 1 point(s) possible Submit test The weights, in pounds, of packages on a delivery truck are shown in the stem-and-leaf plot. Find the mean, the median, and the mode of the data, if...

The responses of a sample of 5329 shoppers who were asked how their purchases are made are shown in the table. Find the mean, the median, and the mode of the data, if possible. If any measure cannot...

Please answer ASAP. Thank you Submit q Small Businesses The pie chart shows the responses of a sample of 345 small business owners who were asked whether their business has a website. Find the mean,...

I would like to see the Work for this Question please #3 Nothing Wrong With This Question Just take time to look at it and answer it please No additional information is required This Question: 4 pts...

With reference to the water quality in Exercise 2.17: (a) Find the sample mean. (b) Does the sample mean or the median give a better indication of the water quality of a "typical" day? Why?

Pal Corporation has $108,000 income from its own operations for 2011, and $42,000 income from Sir Corporation, its 70 percent-owned subsidiary. Sirs net income of $60,000 consists of $66,000...

Discuss five ( 5 ) benefits to investors as they invest in international financial markets

How large a sample is needed in Exercise 9.52 if we wish to be 98% confident that our sample proportion will be within 0.05 of the true proportion defective?

According to the Rule of Three, when we have a sample size n with x = 0 successes, we have 95% confidence that the true population proportion has an upper bound of 3>n. (See A Look at the Rule of...

A one-sided claim about a population proportion is a claim that the proportion is less than (or greater than) some specific value. Such a claim can be formally addressed using a one-sided confidence...

Refer to the accompanying screen display. a. Express the confidence interval in the format that uses the less than symbol. b. Identify the best point estimate of m and the margin of error. TI-83/84...

2020) sec. 01 A firm's long-term assets = $100,000, total assets = $400,000, inventory = $50,000 and current liabilities = $200,000. What are the firm's current ratio and quick ratio? Formulas...

( 1 ) Show that the following argument is invalid: p l o n g r i g h t a r r o w r ? ? q n o t q ? ? nots notplongrightarrowsvvt : . t ( 2 ) Prove using direct method that if x and y are integers and...

Ramblin Wreck is a firm specializing in engineering components. The firm is publicly traded and is considering the following project: The project will last 5.00 years with an annual cash flow of...