The number of employees, wages per employee and the varlance of the wage per employee for two factories are given below : Factory A 50 Factory B Number of employees Average wages per employee per day Variance of the wages per employee per day 100 120 85 16
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![The number of employees, wages per employee and the variance of the
wage per employee for two factories are given below :
Factory A
Factory B
Number of employees
Average wages per employee per day
Variance of the wages per employee per day
50
100
120
85
9
16](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faa8525ce-9872-4f30-a50d-4d9a7d584500%2F302021dd-8cb8-4aff-9a7c-4ac5fec8d2c0%2F1whtt6k_processed.jpeg&w=3840&q=75)
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- A census bureau collects information about the ages of people in a country. Question content area bottom Part 1 a. Identify the variable and population under consideration. What is the variable under consideration? A. The age of people in different countries B. The median age of people in the country C. The age of each person in the country D. The average age of people in the countryjl. Histogram Access tech supplements, videos, and data sets at www.TriolaStats.com Excel It is extremely difficult to generate histograms in Excel; the XLSTAT add-in should be used: 1. Select the XLSTAT tab in the Ribbon. 2. Click the Visualizing Data button. 3. Select Histograms from the dropdown menu. Tip: To customize, enter the desired class boundaries in a column, select the Options tab, click User Defined, and enter the range of cells containing the boundaries in the box. 2-2 Basic Skills and Concepts Statistical Literacy and Critical Thinking 190108.tt 1. Heights Heights of adult males are normally distributed. If a large sample of heights of adult males is randomly selected and the heights are illustrated in a histogram, what is the shape of that histogram? 2. More Heights The population of heights of adult males is normally distributed. If we obtain a voluntary response sample of 5000 of those heights, will a histogram of the sample heights be bell-shaped? 3. Blood Platelet…4. In 1983, the Department of Dairy Science at the Virginia Polytechnic Institute and State University conducted an experiment to study the effect of feed rations, differing by source of protein, on the average daily milk production of cows. There were 5 rations used in the experiment. A 5x5 Latin square was used in which the rows represented different cows and the columns were different lactation periods. The following data, recorded in kilograms, were analyzed by the Statistical Consulting Center at Virginia Tech. At the 0.01 level of significance, can we conclude that rations with different sources of protein have an effect on the average daily milk production of cows? Lactation Cows Period 1 3 4 A В C D E 1 33.1 34.4 26.4 34.6 33.9 D E A В 2 30.7 28.7 24.9 28.8 28.0 D E А В 3 28.7 28.8 20.0 31.9 22.7 E A В C D 4 31.4 22.3 18.7 31.0 21.3 B C D E A Actie Windoys Go to PC settings to activate W 28.9 22.3 15.8
- Trying to determine the number of students to accept is a tricky task for universities. The Admissions staff at a small private college wants to use data from the past few years to predict the number of students enrolling in the university from those who are accepted by the university. The data are provided in the following table. R F eTextbook and Media Save for Late O % 5 T O >> G H (9) 2 Number Accepted Number Enrolled Find the correlation between the number of students accepted and enrolled. Use two decimal places in your answer. & 2,440 2,800 2,720 2,360 2,660 2,620 8 6 611 K 708 637 584 614 625 ( 9 L Attempts: 0 of 1 used ) 0 P Submit Answer 56°F Cl Backspatatcrunch 2 Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below. Click the icon to view at distribution table. W S X H d a. What is the number of degrees of freedom that should be used for finding the critical value t/2? df = 0 (Type a whole number.) b. Find the critical value t/2 corresponding to a 95% confidence level. ¹ x/2 = (Round to two decimal places as needed.) c. Give a brief general description of the number of degrees of freedom. Tech help # 3 OA. The number of degrees of freedom for a collection of sample data is the total number of sample values. OB. The number of degrees of freedom for a collection of sample data is the number of sample values that can vary after certain restrictions have been imposed on all data values. 20 E D с F3 $ 4 888 R F V % 5 T G F5 B MacBook Air Y H 8 7 N F7 TEE U J 00* 8 ►II M F8 9 K O L command F10 P { alt option (13.046,22.15) x=17.598 Sx=16.01712719 n=50 1 Next…Grade points are assigned such that an A receives 4 points, a B receives 3 points, a C receives 2 points, a D receives 1 point, and a F receives 0 points. Grades are weighted according to credit hours (units). If a student receives an A in a four-unit class, a D in a two-unit class, a B in a three-unit class and a C in a three-unit class, what is the student's grade point average? O A. 2.75 O B. 1.75 O C. 3.00 O D. 2.50 Click to select your answer. DELL XXX EVD disc RW DELL
- A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. What does the crosstabulation show? frequencies column percentages relative frequencies Orow percentages O overall percentages Undergraduate Major Graduate School Business Engineering Others Total 126 280 Yes No Total 70 182 252 84 208 292 TO 130 256 520 800The International League of Triple-A minor league baseball consists of 14 teams organized into three divisions: North, South, and West. The data showing the average attendance for the 14 teams in the International League are contained in the Excel Online file below. Also shown are the teams’ records; W denotes the number of games won, L denotes the number of games lost, and PCT is the proportion of games played that were won. Construct a spreadsheet to answer the following questions. Team Name Division W L PCT Attendance Buffalo Bisons North 66 77 0.462 8791 Lehigh Valley IronPigs North 55 89 0.382 8454 Pawtucket Red Sox North 85 58 0.594 9080 Rochester Red Wings North 79 70 0.53 6909 Scranton-Wilkes Barre Yankees North 88 56 0.611 7164 Syracuse Chiefs North 69 77 0.473 5749 Charlotte Knights South 68 78 0.466 4545 Durham Bulls South 74 70 0.514 7020 Norfolk Tides South 64 78 0.451 6269 Richmond Braves South 63 79 0.444 4449 Columbus Clippers West 69 73 0.486…The number of car sales made per week for each car salesman of a company is listed below: 1, 1, 3, 4, 5, 6, 6, 6, 7, 8, 9 Calculate the median number of car sales for an employee. O 7 sales 5.5 sales O 5 sales 6 sales A circular pool is 16 feet in diameter and 48 inches deep. How many liters would it take to fill the pool? There's 0.001 cubic meters in one liter, and one inch equals 2.54 centimeters O 936.09 liters O 264.27 liters O 35469.10 liters 22773.81 liters
- Construct an ordered stem and leaf display for the following data. 91 104 90 109 118 89 116 127 107 98 100 96 92 114 95 122 Complete the ordered stem and leaf diagram below. 10 11 12The table to the right shows data found at a government census website, under a "Did You Know" panel. What type of data source is the information presented here based on? Private Sector Total Employment in a State All 2008 Q2 2009 Q2 Change Female 537,290 517,948 −3.6% Male 504,214 477,491 −5.3% Retail Trade Female 168,942 146,473 −13.3% Male 162,502 144,302 −11.2% Question content area bottom Part 1 Choose the correct answer below. A. The information is the outcome of an experiment that was conducted. B. The information is the result of an observational study that was conducted. C. The information is the result of a survey that was conducted. D. The information is collected via ongoing business activities. E. The information is distributed by an organization or individual.The Department of the Census provides the following data table. single married widowed divorced total Male .129 .298 .013 .040 .48 Female .305 .057 .054 .52 Total .233 .603 .070 .094 1.0 a) Fill in the missing word for each of the totals. (What is being totaled in each column/row?) b) Find P(Widowed and Male). = .013 c) Find P(Widowed)=.070 d) Find P(Married or Female). Write out the formula you use so I know that you know what you are doing. e) Find P(Widowed and Divorced). Explain your answer. f) Are Divorced and Male Mutually Exclusive events. Why or why not?
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