. How many students obtained scores between 74.5 to 84.5? . How many students obtained scores between 64.5 to 74.5?
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A: The “class width” is the distance between the lower limits of consecutive classes.
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A: When a die is rolled then the sample space isS={1,2,3,4,5,6}n(S)=6
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A: Given:
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A: Five number summary is. Minimum Quartile Q1 Median Q2 Quartile Q3 Maximum
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A: Option a) is correct.
Q: O 50%
A: Option b 50%
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A: The total number of players in a chess game can be find by using the below formula…
Q: 2. 125 young adults were asked the number of times per week they ordered take-out. The (incomplete)…
A: Total frequency = 125 Relative frequency = frequency/125
Q: calculate the Sd.
A: GivenFreshmanSophomore68.568.362.756.756.362.56162.562.861.15259.65661.362.561.553.955.857.358.6
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A: Question 1: Correct answer is 8
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Q: The mean of 4 elements is 22 and the mean of another 6 elements is 10 then the mean of all 10…
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Q: would the z score for the .30 be .6480?
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Q: Given a population of 5000 scores with mean µ = 86 and o= 10. How many scores 4. between 76 and 86?
A:
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A: a) The total outcome of a coin is tossed four times = 24 = 16 The sample space are {TTTT,TTTH, TTHT,…
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Q: Given a population of 5000 scores with mean µ = 86 and o= 10. How many scores 1. between 86 and 96?
A:
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Q: Wore a bicycle helmet (among students who had ridden a bieyele during the previous 12 months)?…
A:
Q: Fourteen different second-year medical students at a hospital measured the blood pressure of the…
A: Sample size(n)=14Arrange the given data in ascending order120, 121, 122, 125, 125, 126, 130,…
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A: From the provided information,Sample size (n) = 16
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A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…
Q: Find the range for the following set of scores. 29,63,42,75,99,18,29,53,77 O a. 81 O b. 48 O c. 99
A: Given data set, 29,63,42,75,99,18,29,53,77 Sort the given data: 18, 29, 29, 42, 53, 63, 75, 77, 99
Q: In a survey, the sample consisted of 1087 adults who were parents of school-aged children. The…
A: Given data in a survey the sample consisted of 1087 adults who were parents of school-aged children.…
Q: D. Given o = 4.5 and u = 30, find the raw scores of the following. Show your complete and neat…
A: As per company guidelines I solved exactly three subparts of the question.thank you
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Q: me eity's PR mahager, whỏ never took statistics, claimed the mean score of all ninth graders in the…
A: Formula for mean is x̄ = Σx̄i *ni/n!
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Q: of shipping d= c. Write the 5-number summary for this data. d. Create box plot.
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Q: In a survey, the sample consisted of 1087 adults who were parents of school-aged children. The…
A: Given : Mean , x̄ = 5.5 Median = 1
Q: Fourteen different second-year medical students at a hospital measured the blood pressure of the…
A: Solution-: Given data: 145,150,135,120,120,125,127,130,149,150,137,140,134,150 We find 5- number…
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- 2. A customer at a specialty milk tea shop observed the amount of time, in minutes, that each of 20 customers spent waiting to receive an order. The results are recorded in the table below: Time (min) to receive order 3.2 4.0 3.8 2.4 4.7 5.1 4.6 3.5 3.5 6.2 3.5 4.9 4.5 5.0 2.8 3.5 2.2 3.9 5.3 Find the mean and sample standard deviation of these data. Interpret the results. 62 29 2.9Statistics QuestionIn research about the population of a county with 100,000 inhabitants, a sample of 3000 households was selected to be interviewed. For 1200 of the 3000 households that researchers attempted to contact, there was no one home willing to participate. For this survey, the nonresponse rate was (Give your answer as a whole number.) eBook
- The fractions of colors in a population of squirrels is 0.73 red and 0.27 black. If two are chosen at random, what are the chances they have the same color? Give two digits past decimal.In a city with three high schools, all the ninth graders took a Standardized Test, with these results: High School Mean score on test Number of ninth graders Glenwood 80 289 Central City 93 342 Lincoln High The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was 80. Of course, that is incorrect. What is the mean score for all ninth graders in the city? Round to one decimal place. 67 170 mean of all ninth grader's scores =The 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.
- In a city with three high schools, all the ninth graders took a Standardized Test, with these results: Number of ninth graders (Frequency) Mean Test Score High School Glenwood 82 262 Central 92 311 Lincoln 67 168 The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was the average of 82, 92, and 67, whic incorrect. What is the mean score for all ninth graders in the city? Round to one decimal place 80.3. Of course, that is Mean of all ninth grader's scores *13. Dan has a novel to read. He reads of the pages on each of Monday and Tuesday, 65 pages on Wednesday, another 20% of the pages on Thursday, and the final 61 pages on Friday. How many pages were in the novel?4)