Suppose you have scores of 60, 70, 65, 85, and 85 on exams in a sociology class.

Question:

a. What is the mean of these scores?

b. What score would you need on the next exam to have an overall mean of 75?

c. If the maximum score on an exam is 100, what is the maximum mean score that you could possibly have after the next exam? Explain.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Statistical Reasoning for Everyday Life

ISBN: 978-0321817624

4th edition

Authors: Jeff Bennett, Bill Briggs, Mario F. Triola

See More Books

Question Posted: Dec 23, 2015 07:29 AM

See More Questions

Suppose you have scores of 80, 84, 87, and 89 on quizzes in a mathematics class. a. What is the mean of these scores? b. What score would you need on the next quiz to have an overall mean of 88? c....
Assume that in a sociology class, the teacher gives a midterm exam and a final exam. Assume that the association between midterm and final scores is linear. Here are the summary statistics: Midterm:...
Ohms law stares that the voltage drop V across an ideal resistor is linearly proportional to the current i flowing through the as in V = iR , where R is the resistance. However, real resistor may not...
A company had average total assets of $500,000, gross sales of $575,000, and net sales of $550,000. The companys total asset turnover is a. 1.15. b. 1.10. c. 0.91. d. 0.87. e. 1.05.
Campione Manufacturing acquired an 80% interest in DaLuca Distributors, a foreign corporation established on November 1, 2006, for 650,000 foreign currency units (FC). Campione acquired its 80%...
Form a team of three to four students in your class. Select one or two local franchises to conduct a survey on, such as Subway or McDonalds. Design a brief survey (10-11 questions) including...
1. Summarize the requirements of antidiscrimination laws.
In a study on the fertility of married women conducted by Martin O'Connell and Carolyn C. Rogers for the Census Bureau in 1979, two groups of childless wives aged 25 to 29 were selected at random and...
Sunland Inc. manufactures snowsuits. Sunland is considering purchasing a new sewing machine at a cost of $2.45 million. Its existing machine was purchased 5 years ago at a price of $1.8 million; six...
It is well known that similarity in attitudes, beliefs, and interests plays an important role in interpersonal attraction (see Byrne, 1971, for example). Thus, correlations for attitudes between...
Cans of regular Coca-Cola vary slightly in weight. Here are the measured weights of seven cans, in pounds: a. Find the mean and median of these weights. b. Which, if any, of these weights would you...
Suppose that school district officials claim that the average reading score for fourth-graders in the district is 73 (out of a possible 100). As a principal, you know that your fourth-graders had the...
In Problems 43-66, find the indicated extremum of each function on the given interval. Absolute minimum value on [0, ) for f(x) = (2x) (x + 1)
Jason is a sole trader in the architecture industry. For the year ending 30 June 2019, Jason hired a 3D model designer, Sarah, to help him with the growing business. At the end of the year he has the...
Read Case 14-1 Trojan Technologies (15th ed., p. 426 OR 16th ed., p. 431) Guiding Questions and additional information: In preparing your case study, ensure that you answer the following questions:...
Jorge Rimert works for Road to Success Collection Agency. He oversees mailing out collection notices to patients. Upon review of the patients who have not paid from Hideaway Hospital, Jorge notices...
An epidemiologist plans to conduct a survey to estimate the percentage of women who give birth. How many women must be surveyed in order to be 99% confident that the estimated percentage is in error...
A 100 acre plot of land has a concentration time of 80 minutes. The area is residential single family homes with a C-0.40. What is the percent Increase in stormwater runoff from a 50 year recurrence...
Explain why higher share prices are equivalent to saving. Canadian net saving in the first quarter of 2017 was $22 billion. Holdings of financial assets increased by $162 billion and the value of...
The Home Depot is the leading retailer in the home improvement industry and one of the 10largest retailers in the United States. The company included the following on its January 29, 2012, balance...
What is a sale and leaseback? ( Lo3)
In 2005, the average price of electricity was 10.0 cents per kWh (kilowatt-hour), and in 2015, the average price was 13.8 cents per kWh. Compare the increase in the price of electricity to the...
The area codes (such as 617) of the telephone numbers of survey subjects. Qualitative versus Quantitative Data. In Exercises, determine whether the data described are qualitative or quantitative,and...
There were 1,038,280 bankruptcy cases filed last year, and in the year 2000 there were 1,276,900 bankruptcy cases filed Relative Change. Exercises each provide two values. For each pair of values,...
Reporting bonds at fair value LO 1 4 6 [ Note: This is a variation of E 1 4 1 3 modified to consider the fair value option for reporting liabilities. ] Federal Semiconductors issued 1 1 % bonds,...
Define the purpose, goals and objectives of the mortgage broking business in which you are working, with your team members:
What is the risk profile of your company? (How much overall risk is there in this firm? Where is this risk coming from (market, firm, industry or currency)? (APPLE COMPANY LATEST DATA) How is the...

Suppose you have scores of 60, 70, 65, 85, and 85 on exams in a sociology class.

Question:

Step by Step Answer:

a Mean Total of values Total number of Values 6070658585 5 850 b Since the mean will be the ...View the full answer

Statistical Reasoning for Everyday Life

Students also viewed these Statistics questions