Question
WHAT LEVEL OF DATA ARE WEIGHTS OF THE SOUTHWESTERN COLLEGE FOOTBALL TEAM? IF I CHOOSE 5 BUILDINGS AT SOUTHWESTERN COLLEGE AND RANDOMLY CHOOSE 20 STUDENTS
- WHAT LEVEL OF DATA ARE WEIGHTS OF THE SOUTHWESTERN COLLEGE FOOTBALL TEAM?
- IF I CHOOSE 5 BUILDINGS AT SOUTHWESTERN COLLEGE AND RANDOMLY CHOOSE 20 STUDENTS FROM EACH BUILDING WHAT TYPE OF SAMPLING METHOD IS THIS?
- IF I ARRANGE THE STUDENTS AT SOUTHWESTERN BY THEIR SOCIAL SECURITY NUMBER AND RANDOMLY CHOOSE ONE AND THEN PICK EVERY 20TH STUDENT FROM THAT POINT WHAT TYPE OF SAMPLING METHOD IS THAT?
- IF THE AVERAGE IQ OF A SAMPLE OF 200 PEOPLE IN FRANCE IS 98. IS 98 A PARAMETER OR A STATISTIC?
10,17,23,28,33,35,36,37,39,40,40,43,44,44,45,47,48,49,50,50,51,52,58,61,62,62,63,66,68,70
5. FOR THE ABOVE MAKE A GROUPED FREQUENCY DISTRIBUTION WITH SIX INTERVALS, STARTING AT 10 FOR THE FIRST LOWER CLASS LIMIT AND A CLASS WIDTH OF 15. SHOW UPPER AND LOWER CLASS LIMITS, FREQUENCY OF EACH CLASS, CUMULATIVE FREQUENCY, RELATIVE FREQUENCY, CUMULATIVE RELATIVE FREQUENCY AND MIDPOINTS.
6, WHAT TYPE OF GRAPH SHOULD BE USED TO DISPLAY CONTINUOUS DATA. AN EXAMPLE WOULD BE THE WEIGHTS OF PLAYERS ON A FOOTBALL TEAM?
7. WHAT TYPE OF GRAPH WOULD YOU USE TO DISPLAY THE NUMBER OF FORDS, CHEVYS, TOYOTAS, HONDAS AND BMWS IN COLLEGE PARKING LOT?
10, 13, 17, 19, 22, 23, 29, 33, 34, 35, 35, 38, 53, 68.
8. FIND THE MEAN, MEDIAN AND MODE.
9. FIND THE RANGE AND STANDARD DEVIATION.
10. FIND THE Z-SCORES FOR 17, 33, AND 53 FOR THE FIRST DATA SET.
FOR THE FOLLOWING TABLE ANSWER THESE PROBABILITY QUESTIONS
MATH(M) ENGLISH(E) HISTORY(H) BIOLOGY(B) TOTALS
FRESHMAN(F) 15 22 13 18 68
SOPHOMORE(S) 14 20 29 16 79
JUNIOR(J) 18 15 23 22 78
SENIOR(SE) 26 10 8 24 68
TOTALS 73 67 73 80 293
11. FIND P(EUJ) =
12. FIND P (SE) =
13. FIND (M/F) =
14. FIND (S/H) =
15. FIND THE EXPECTED VALUE OF A GAME IN WHICH YOU HAVE A (1/20) CHANCE OF WINNING AND A (19/20) CHANCE OF LOSING. IF YOU WIN YOU RECEIVE $300 PLUS THE $15 IT COST TO PLAY THE GAME. IF YOU LOSE YOU LOSE THE $15.00
16. IN A 25 QUESTION TRUE-FALSE TEST WHAT IS THE PROBABILITY OF GETTING EXACTLY 14 CORRECT.
17. IF 15% OF ALL M&MS ARE BLUE WHAT IS THE PROBABILITY IN A BAG OF 45 YOU WILL GET AT LEAST 11 THAT ARE BLUE?
18. IN A 30 QUESTION MULTIPLE CHOICE TEST WITH 4 POSSIBLE ANSWERS, IF YOU ARE GUESSING WHAT IS THE PROBABILITY YOU WILL GET AT LEAST 14, (NEEDED TO PASS) CORRECT.
19. FIND THE AREA BETWEEN Z= -.4 AND Z=1.6
20. FIND THE AREA LESS THAN Z = 2.1
21. IF HEIGHTS OF FEMALE COLLEGE STUDENTS ARE NORMALLY DISTRIBUTED WITH A MEAN OF 64 INCHES AND A STANDARD DEVIATION OF 10 INCHES, WHAT IS THE PROBABILITY OF RANDOMLY SELECTING A FEMALE COLLEGE STUDENT WITH A HEIGHT LESS THAN 63 INCHES.
22. WHAT IS THE PROBABILITY OF RANDOMLY SELECTING A FEMALE COLLEGE STUDENT WITH A HEIGHT BETWEEN 61 AND 69 INCHES?
23. WHAT IS THE PROBABILITY OF FINDING AN AVERAGE OF GREATER THAN 65 INCHES WITH A SAMPLE OF 35 FEMALE COLLEGE STUDENTS?
24. IF TEST SCORES ARE NORMALLY DISTRIBUTED WITH A MEAN OF 84 AND A STANDARD DEVIATION OF 9 FIND THE PROBABILITY A STUDENT SCORED BETWEEN 75 AND 89.
25. FIND THE PROBABILITY A STUDENT SCORED ABOVE 85.
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