The following are the cores of 23 students in a 50-item test. 26 28 32 45 38 47 36 35 30 40 29 50 43 33 48 32 41 35 37 38 36 42 38 Find each of the following: 1. Q3 2. IQR 3. D2 4. D5
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- A bag of candy contains 5 different types of colored candies; red, green, blue, yellow, and orange. According to the manufacturer, bags should contain an equal number of each color. Students in a statistics class decided to use a chi-square procedure to test the manufacturer’s claim. They opened a bag of candy and recorded the number of candies of each color. The results are shown in the following table. Red Green Blue Yellow Orange 17 24 20 25 14 Which color contributes most to the chi-square test statistic? Red A Green B Blue C Yellow D OrangeA professor wanted to study the number of hours statistics students spend studyingstatistics each week. Out of 19 statistics sections at Santa Ana College, the professorsurveyed each student from 3 randomly selected sections. What is the largest group ofstudents the results of this study can represent?a. All Santa Ana College studentsb. All Santa Ana College students taking a math classc. All Santa Ana College students taking a statistics classd. Students in the three sections the professor surveyedWork this problem involving a true/false and multiple choice test. Assume that the test has 7 true/false questions, and 11 muiltiple choice questions (3 options per questions), each with exactly one correct answer. If a student guesses randomly on each question, what is her expected score?
- Dr. Wagner is interested in conducting a 2 x 2 x 3 within-group factorial design, with 20 participants in each cell. How many participants does she need overall? a. 40 b. 240 c. 20 d. 80A group of 499 students were surveyed about the courses they were taking at their college with the following results:228 students said they were taking Math.213 students said they were taking English.237 students said they were taking History.61 students said they were taking Math and English.84 students said they were taking Math and History.74 students said they were taking English and History.17 students said they were taking all three courses.How many students took Math, English, or History ?The Masters Golf Tournament is played each year at the Augusta National Golf Club in Augusta, Georgia. To discover what type of score it takes to win this tournament, we have gathered all the winning scores from 1968 to 2004. The Masters Golf Tournament Winners Year 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 Tom Watson 1982 Craig Stadler 1983 Severiano Ballesteros 1984 1985 1986 Jack Nicklaus Winner Bob Goalby George Archer Billy Casper Charles Goody Jack Nicklaus Tommy Aaron Gary Player Jack Nicklaus Ray Floyd Tom Watson Gary Player Fuzzy Zoeller Severiano Ballesteros Ben Crenshaw Bernhard Langer Score Year 277 1987 281 1988 279 1989 279 1990 286 1991 283 1992 278 1993 276 1994 271 1995 276 1996 277 1997 1998 1999 2000 2001 2002 2003 2004 280 275 280 284 280 277 282 279 Winner Larry Mize Sandy Lyle Nick Faldo Nick Faldo lan Woosnam Fred Couples Bernhard Langer J.M. Olazabal Ben Crenshaw Nick Faldo Tiger Woods Mark O'Meara J.M. Olazabal Vijay Singh Tiger…
- A coach of a cross country team asked all 200 of the runners who ran at a meet two questions: Did you get less than 8 hours of sleep last night? Yes No Did you achieve a personal record in this meet? Yes No The coach saw an association between the amount of sleep and achieving a personal record for the runners. Which statement provides evidence for this association?Suppose that in a survey of five-year-olds, 45% liked the letter A, 54% liked the letter B, and 50% liked the letter of C. 29% liked A and B, 28% liked A and C, 29% liked B and C, and 15% liked all of them. What percentage liked A and B but not the letter C?Find the number of full houses in a poker hand, that is, the number of poker hands with three of a kind and two of a kind.
- A group of 91 students were surveyed about the courses they were taking at their college with the following results:39 students said they were taking Math.47 students said they were taking English.38 students said they were taking History.14 students said they were taking Math and English.16 students said they were taking Math and History.27 students said they were taking English and History.11 students said they were taking all three courses.How many students took none of the courses ?A building contractor has a chance to buy an odd lot of 1,000 used bricks at an auction. She is interested in determining the proportion of bricks in the lot that are cracked and therefore unusable for her current project, but she does not have enough time to inspect all 1,000 bricks. Instead, she checks 150 bricks to determine which ones are cracked. What is the population of interest? all building contractors all 1,000 bricks in the lot the rest of the 850 bricks the 150 bricks selected for inspection the rest of the 700 bricks What group constitutes the sample? the 150 bricks selected for inspection all building contractors the rest of the 700 bricks all 1,000 bricks in the lot the rest of the 850 brickS Submit AnswerThe 2017 Chapman University Survey of American Fears asked a random sample of 1207 American adults if they believed that aliens had come to Earth in modern times, and 26% responded yes. Complete parts (a) through (d) below.