Practice Quiz Questions and Answers for Data Analysis and Interpretation, Exams of Algebra

Download Practice Quiz Questions and Answers for Data Analysis and Interpretation and more Exams Algebra in PDF only on Docsity! C957 Unit 2 Review Module 3 Quiz questions and answers practice exam You begin a weight-lifting program. For five weeks, you use a table to record the average weight you were able to lift. Week Number Weight Lifted (in pounds) 1 20 2 25 3 35 4 35 5 40 What is the overall trend for this data? A) The amount of weight you are able to lift is trending positively. B) There is no change. C) There is too much variation in the data patterns to describe a trend. D) The amount of weight you are able to lift is trending negatively. - >>>The amount of weight you are able to lift is trending positively. You are trying to find the most profitable snack in the snack machine so you know what to order next time. The following table represents the results: Snack Type Number of Items Sold Gross Profit Chips 57 $71.25 Cookies 48 $72.00 Candy 82 $82.00 Gum 120 $60.00 Which type of snack is most profitable per item? - >>>Cookies Refer to the following table predicting a future with robots and total hours saved for citizens. Year Gross U.S. Population in millions Citizens with One Robot Total Hours Saved Citizens with Two Robots Total Hours Saved Citizens with Three Robots Total Hours Saved 2060 420.20 6% 378,180,000 4% 470,624,000 1% 189,090,000 2065 445.41 8% 534,494,400 6% 748,292,160 3% 601,306,200 2070 472.14 12% 793,189,690 9% 1,019,815,315 4% 793,189,690 2075 500.46 16% 1,121,041,428 12% 1,441,338,979 6% 1,261,171,606 2080 530.49 19% 911,110,897 13% 1,217,209,461 7% 1,136,841,903 2085 562.32 24% 854,445,850 14% 1,031,952,954 8% 1,019,488,477 Over what years was the total hours saved for citizens with one robot increasing? The options below are expressed in interval notation. A) (2060, 2075) B) (2060, 2075] C) [2060, 2075) D) [2060, 2075] - >>>(2060, 2075) Charles runs a small trucking company, and he is concerned with the price of fuel. Fortunately for Charles, fuel cost has decreased in the last couple of years. The following table represents what Charles's fuel expenses were for the last five years: Year Fuel Cost per Gallon Total Fuel Cost 1 $2.23 $ 3,230 When was the largest increase in Carly's training time? A) Between years 3 and 4 B) Between years 1 and 2 C) Between years 2 and 3 D) Between years 4 and 5 - >>>Between years 1 and 2 You are training for a marathon. You have run marathons before, but you are out of condition. Each month you increase your distance, and as you do so, your training time increases. Month Training Time, in Minutes Distance Run, in Miles Dec 090 12 Jan 100 15 Feb 120 18 Mar 135 21 Apr 150 24 May 156 26 Are you making progress in your training? A) No, because you are training longer without increasing your distance. B) No, because your distance is increasing, but so is your training time. C) Yes. You are increasing your distance, and you are also improving your mile time. D) Yes, because you can run farther now. - >>>Yes. You are increasing your distance, and you are also improving your mile time. You just had an election in your town, where about 2,400 voters had registered. There were five candidates (labeled here as A, B, C, D, and E). Not everyone votes in every election, so the votes do not need to add up to 2,400. The following table displays the election results. Candidate Votes A 895 B 943 C 45 D 65 E 38 Which candidate won the election and by how many votes? A) D won by 48 votes. B) B won by 48 votes. C) C won by 92 votes. D) A won by 48 votes. - >>>B won by 48 votes.