Exam score Z-score Percentile 95 90 -3 15.87

Q: Find the percentile rank for each test score in a data set. 12, 28, 35, 42, 47, 49, 50. What value…

A: Given, 12,28,35,42,47,49,50 sample size (n) = 7 Percentile position = (n+1)*p/100  a) For p = 40…

Q: Find the z score value for a data value of 15. Z-score = ? (Round to 2 decimal places)

A: It is given that the random variable is normally distributed with  Mean, μ = 12 Standard deviation,…

Q: The heights of a group of men averaged 69 inches and followed the normal curve. The 91st percentile…

A: Solution: Let X be the height of group of men. μ= 69 inches  Average height of men.  The 91st…

Q: Complete the following statement. If you are asked to find the 85th percentile, you are being asked…

A: If you are asked to find the 85th percentile, you are being asked to find

Q: After six biology test, Ruben has a mean score of 77. What score does Ruben need on the next test to…

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Q: Classify the following data. Indicate whether the data is qualitative or quantitative, indicate…

A: Qualitative data: The data value are the the non-numerical quality or characteristic.   Quantitative…

Q: Which of these would be considered a transformed score? a. percentile ranks and t scores b. z scores…

A: Transformed scores are those scores that have been converted from raw scores to meaningful score…

Q: What’s the percentage for the frequencies?

A: We have convert data in proportikn and percentages

Q: The average number of red blood cells per cubic mm in humans is about 5 million. We'll let μ =…

A: Given: μ= 5000000           σ=500000 we need to find i) the values for the middle 80% people i.e…

Q: Use the following cell phone airport data speeds (Mbps) from a particular network. Find the…

A: Here Given Data of  data speed in the ascending order  Here  Total number of data= 50

Q: е. Find her percentile scores for the two exams. (use R-code)

A: The score of Mathematics is 94.6 and the score of  Physics is 93.7 Mean score of  mathematics 86.1…

Q: The histogram below displays the weights of rainbow trout (in pounds) caught by all visitors at a…

A: From the given chart, the lowest frequency is 1

Q: From the data below, a.the value of 60th percentiles P60 b.the value of the 95th percentile P95

A: Given,sample size(n)=50the given data is already arranged in ascending order.

Q: Find the percentile that corresponds to a specific data value x by using the following formula.…

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Q: Kevin scored at the 70th percentile on a test given to 9940 students. How many students scored lower…

A: Given Kavin got 70 percentile. Total students are 9940.

Q: Determine the following percentile X 0.95,16

A: From the given information, it is given that:n=16 and p=0.95

Q: Risa is studying dating behavior in college students. She asks students as her school how many…

A: Risa is studying dating behavior in college students. She asks students as her school how many…

Q: Consider the chart below that describes the average student runner speeds. Find the percentile…

A: Given data of average student runner speeds as shown below2 2.5 3 4 5 6 2.75 8 107 4 5.5 8 2 3.5 5.5…

Q: At music camp, Addison tracked the number of minutes she practiced her trombone each day. Practice…

A: Given - At music camp, Addison tracked the number of minutes she practiced her trombone each day.…

Q: Kevin scored at the 60th percentile on a test given to 9920 students. How many students scored lower…

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Q: Find the values of the following percentiles. Round your answer to 2 decimal places. Statistical…

A: The following is the information provided about the chi-square distribution degrees of freedom, the…

Q: Complete the following statements: 1. In general, _________% of the values in a data set lie at or…

A: Solution : Definition of percentile - The percentile indicates the values below which given…

Q: estor bought common stock of Blackstone Company on several occasions at the following prices. Tumber…

A: Given data,   Number of shares Price for share 100 $40 200 $31 400 $25   What is the…

Q: Approval ratings for the Georgia Senator Steve Gooch were found to be 62% with a margin of error of…

A: In this question, concept of margin of error is applied. Margin of Error A number calculated from a…

Q: For the following data 12, 15, 10, 16, 17, 28, 30, 25, 22, 24 a) Find the percentile score for the…

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Q: What percent of people have WAIS scores below 100? Above 1307 Below 70? Answer(s) Above 100: 50%…

A: mean = 100 standard deviation = 15 A) P(X<100) = P(X<100-10015)…

Q: What percentage of candidates will likely score below ftable is given as State of Nature Decision S1…

A: *answer:

Q: F E 6.

A: Given a parallelogram CDEF.

Q: On a reading test, Shaylen's score of 455 was higher than the scores of 4236 of the 7276 students…

A: The pth percentile of a set of observations is the value below which, p% or (p/100) proportion of…

Q: Mina is waiting in line at the Department of Motor Vehicles (DMV). Her wait time is in the 85th…

A: It is clearly given in statement that at Department of Motor Vehicles waiting line is Mina wait time…

Q: State whether the data described below are discrete or continuous, and explain why. The times (in…

A: Given a data , and we need to find whether it is continuous or discrete .

Q: State whether the data below are discrete or continuous, explain why. The time(in minutes) it takes…

A: It is given that the time (in minutes) it takes different students to drive to school from home.

Q: The data below represents the lower blood pressure for people in our class. 88 76 96 114 65 84 86 91…

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Q: On a placement examination, Fatimah scored lower than 420 of the 980 students who took the exam.…

A: It has been given that Fatimah has scored less than 420 of 980 students which means her score is…

Q: What are percentiles useful for  a. showing frequency b.comparing values  c. showing…

A: Introduction: It is requires to identify the option that describes the purpose of percentiles.

Q: Approximately, what percent of the data is more than the third quartile? 25% 0% 50% 75%

A: what percent of the data is more than the third quartile

Q: The flights of stairs was measured in this study based on participants reporting the number of…

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Q: elect the term that correctly completes the statement.   The color of hats worn by baseball players…

A: The quantitative data is numerical and the qualitative data is non-numerical.

Q: View the attatched photo and then answer the questions below. Thank you :) Min = ? Quartile 1 (Q1)…

A: We want to find the value of min,Quartile1(Q1),Quartile2(Q2),Quartile3(Q3),max

Q: In solving for the 45th percentile , the lower limit to be used is score f cf cf percentage 40-44 18…

A: Given: The provided data is: Score Class boundary f cf cf percentage 40-44 44.5-39.5 6 18 100…

Q: Surveys always provide data that is 100% accurate from feedback from participants True or False

A: False, Surveys not always provide data that is 100% accurate from feedback from participants.

Q: Use the following cell phone airport data speeds​ (Mbps) from a particular network. Find the…

A: The objective is to find the percentile corresponding to the data speed 0.9 Mbps.

Q: The inter-quartile range equals the 75th percentile minus the 25th perce Select one: O True O False

A: What is Inter-quartile-range(IQR)?

Q: Three hundred twenty students took a test where the scores are normally distributed. Paul's score…

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Q: Determine the question (X) that converts each situation to Yes/No data. a) The proportion of cars…

A: Researchers conduct survey using questionnaire comprising both objective and subjective questions.

Q: 2. Which of the following is also equal to median score?*   75th percentile 5th decile 3rd…

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Q: z value that corresponds to the 81 percentile.

A: Given Random Variable X~N(0,1) we have to find a Z value corresponding to the 81 Percentile that is…

Q: When finding percentile ranks for a percentile, the focus is always on identifying the percentile…

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Q: z = 3 is what percentile?

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Q: Use the histogram below to answer the following question: A) What percent of people scored in the…

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