Question: The file Utility contains the following data about the cost of electricity ( in $) during July 2014 for a random sample of 50 one-

The file Utility contains the following data about the cost of electricity ( in $) during July 2014 for a random sample of 50 one- bedroom apartments in a large city.

a. Construct a frequency distribution and a percentage distribution that have class intervals with the upper class boundaries $ 99, $ 119, and so on.

b. Construct a cumulative percentage distribution.

c. Around what amount does the monthly electricity cost seem to be concentrated?

96 171 202 178 147 102 153 197 127 82 157 85 90 116 172 148 213 130 165 4 149 206 175 123 128 144 168 109 67 95 163 150 154 130 43 187 166 139 149 108 119 183 151 114 135 19 137 129 158

Step by Step Solution

★★★★★

3.33 Rating (162 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a Electricity Costs Frequency Percentage 80 to 99 4 8 100 to 119 7 14 ... 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)

494-M-S-D-A (2479).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

A random sample of 50 suspension helmets used by motorcycle riders and automobile race-car drivers was subjected to an impact test, and on 18 of these helmets some damage was observed. (a) Find a 95%...

A random sample of 50 personal property insurance policies showed the following number of claims over the past 2 years. a. Find the mean number of claims per policy. b. Find the sample variance and...

A random sample of 50 university admissions officers was asked about expectations in application interviews. Of these sample members, 28 agreed that the interviewer usually expects the interviewee to...

The file utility contains the following data about the cost of electricity (in $) during July 2014 for a random sample of 50 one-bedroom apartments in a large city. 96 171 202 178 147 102 153 197 127...

1. A survey of 1,520 Americans adults asked "Do you feel over-loaded with too much information?" The results indicate that 23% of females feel information overload compared to 17% of males. The...

The file Utility contains the following data about the cost of electricity (in $) during July 2018 for a random sample of 50 one-bedroom apartments in a large city. a. Construct a frequency...

The file Utility contains the following data about the cost of electricity (in $) during July 2013 for a random sample of 50 one-bedroom apartments in a large city. a. Construct a frequency...

The file Utility contains the following data about the cost of electricity (in $) during July 2018 for a random sample of 50 one-bedroom apartments in a large city. 96 171 202 178 147 102 153 197 127...

SELF TEST 2.16 The file [Utility] contains the following data about the cost of electricity (in \$) during July 2018 for a random sample of 50 one-bedroom apartments in a large city. a. Construct a...

SG ran "StockGeneration," a Web site offering the chance to buy shares in "virtual companies" listed on SGs "virtual stock exchange." SG arbitrarily set the buy and sell prices of each stock in the...

The Hartman Boat Company's bank statement for the month of November showed a balance per bank of $7,000. The company's Cash account in the general ledger had a balance of $5,659 at November 30. Other...

Accounting - Capital Investments Warner corporation reported net income in excess of its net cash fow from operations. A possbie explation of ros afference is A depreciation expense B non - operating...

Nest Corp. reports the following transactions for 2020: Jan. 27 Sold 30,000 common shares for $10 per share. Feb. 1 Sold 6,000 shares of $1.50, noncumulative, preferred shares for $70 per share. Oct....

Frozen Delight, Inc. charges an initial franchise fee of $75,000 for the right to operate as a franchisee of Frozen Delight. Of this amount, $25,000 is collected immediately. The remainder is...

Air enters this square duct at section 1 with the velocity distribution as shown. Note that the velocity varies in the y direction only (for a given value of y, the velocity is the same for all...

List all 6 possible SRSs of size n = 2, calculate the proportion of red cars in the sample, and display the sampling distribution of the sample proportion on a dotplot. Is the sample proportion an...

On December 31, 2015, the Templeton Growth Fund fad sheet reported that $10,000 INVESTED IN TEMPLETON GROWTH FUND IN 1954 WOULD BE WORTH $10.43 MILLION TODAY. What compound annual rate of return did...

How do the direct and the indirect methods differ in their approach to computing the net cash provided by operating activities?

In Problem 13.4 on page 531, the marketing manager used shelf space for pet food to predict weekly sales. Perform a residual analysis for these data (stored in Petfood). Evaluate whether the...

In Problem 13.10 on page 532, you used box office gross to predict DVD revenue. Perform a residual analysis for these data (stored in Movie). Based on these results, evaluate whether the assumptions...

A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market fund that...

You purchased 100 shares of common stock on margin for $50 per share. The initial margin is 50%, and the stock pays no dividend. What would your rate of return be if you sell the stock at $59 per...

Which one of the following statements is TRUE? a. Inside directors are more concerned with shareholders' interests since they are more closely concerned with firm operations. b. Since outside...