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- nework: Chapter 2 HW on list stion 4 stion 5 estion 6 estion 7 estion 8 K Part 1 of 2 The average age of players on each of 24 basketball teams are given below. 26.0 27.8 29.9 27.2 29.2 27.0 28.3 28.3 26.5 30.3 28.0 27.7 26.7 29.5 28.2 29.1 28.1 28.7 27.8 27.3 28.8 27.0 28.6 30.6 Construct a stem-and-leaf diagram for these data using a. one line per stem. b. two lines per stem. a. Co (Use 2 2 3You may need to use the appropriate technology to answer this question. A travel association reported the domestic airfare (in dollars) for business travel for the current year and the previous year. Below is a sample of 12 flights with their domestic airfares shown for both years. Current Previous Year Year 345 303 526 463 420 474 216 206 285 263 405 432 635 585 710 650 605 545 517 547 570 496 610 580 (a) Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. Ho: Hd = 0 Hai Hy#0 Ho: Hg #0 Ha: Hd = 0 Ha: Hd> 0 0 5 Pri :ºHman loves, as everyone should, to collect and analyze statistical information. He wishes to find a relationship between how many hours students study and how they do on their statistics tests. He takes a random sample of 16 students at Ideal U., asks how many hours they studied for a university-wide stat test and how they did on the test, enters the data into a computer for analysis and presents the results below. ANALYSIS OF HOURS AND GRADES (n = 16): Descriptive Statistics: HOURS GRADES Mean: 4.2 75.8 Mode: 5.0 79.0 St. Dev: 2.3 10.1 Quartiles: Q0 2.0 34.0 Q1 3.2 53.7 Q2 4.7 78.5 Q3 6.3 86.9 Q4 9.0 97.0 Regression Analysis: Reg. Eq. is: GRADE = 16.9 + 9.025*HOURS Rsquared = .985 std error = 0.027 F = 8.52 p = .018 We know that 25% of all the grades falls into which of these regions? a. 78.5 to 79.0 b. 78.5 to 86.9 c. 75.8 to 86.9 d. 75.8 to 97.0 e. 78.5 to 97.0 f. 75.8 to 79.0
- i need help with this question(3.2 #16c) Most Expensive Colleges Listed below are the annual costs (dollars) of tuition and fees at the ten most expensive colleges in the United States for a recent year (based on data from U.S. News & World Report). The colleges listed in order are Columbia, Vassar, Harvey Mudd, University of Chicago, Trinity, Franklin and Marshall, Tufts, Amherst, University of Southern California, and Sarah Lawrence. 57,208 55,210 54,886 54,825 54,770 54,380 54,318 54,310 54,259 54,010 What is the standard deviation of this sample?i need help with this question
- i need help with this questionQuestion Number 02: Calculate the CGPA for the subjects from the grades as mentioned in Table 1:Serial Number Courses: Credit Hours Grade Achieved1. Business Analytics 3 B2. Organization Behavior 3 C+3. Pakistan Studies 2 B+4. Business Communication 2 B+5. Cost Accounting 3 C+6. Probability & Statistics 3 C7. SPSS Lab. 1 A Table 1.The corresponding GPA for grades are:A = 4.0 , B+ = 3.5 , B = 3.0 , C+ = 2.5 , C = 2.0 , F = 0.0The table shows the leading causes of death in a certain country in a recent year. The population of the country was 311311 million. If you lived in a typical city of 500,000, how many people would you expect to die of cancercancer each year? Cause Deaths Cause Deaths Heart disease 596 comma 700596,700 Alzheimer's disease 84 comma 90084,900 Cancer 575 comma 300575,300 Diabetes 73 comma 40073,400 Chronic respiratory diseases 143 comma 100143,100 Pneumonia/Influenza 53 comma 40053,400 Stroke 128 comma 600128,600 Kidney disease 45 comma 30045,300 Accidents 122 comma 500122,500 Suicide 38 comma 60038,600 About people would be expected to die of cancer each year. (Type a whole number. Round to the nearest person as needed.)