A sample of eight math SAT scores is given below:   620,530,720,620,630,680,630,590   Find the first and third quartiles and the interquartile range for this sample. First Quartile =  Third Quartile =  Interquartile Range =  Hint You should be using the formula Lp=p/100×(n+1)Lp=p/100×(n+1).

Q: One sample of scores has a mean of M = 45 and a sample size of n = 10 scores.  A second sample of…

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Q: Determine the two values of z such that the middle 58% of the data lie between the two z-values.

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Q: find 2nd quartile for given data 56,89,74,16,32,24,98,9,75,25,15,49

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Q: Can you draw a box plot for this digital please not hand drawn

A: Here , we want to find the boxplot. Now , we use the R-software to draw the boxplot

Q: Monday at the local elementary school each grade level was asked their favorite flavor of ice cream-…

A: Given info: Monday at the local elementary school each grade level was asked their favorite flavor…

Q: How do you tell percentiles in a table

A: Percentile is a score that tells the value below which a given percentage of values falls in a table…

Q: n the brackets, how did you know to use the 21 and 20 percentiles?

A: The number of observations, The data set…

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A: Given polygon.Want to calculate how many measurements taken in this time frame were within ppb…

Q: Many athletes (and their parents) worry about the risk of concussions when playing sports. A…

A: First let us sort the head circumferences (in inches) for the players on the team; No. Head…

Q: The number of books each of 8 students in a 2nd grade class read during a week are below:…

A: As per our guidelines we are suppose to answer three sub parts .

Q: Use the stem-and-leaf plot below to determine the five number summary for the data. Stem Leaves…

A: First let us create the data set from the stem and leaf plot. 2,2,3,5,7,13,15,16,20,21,24,26 5 point…

Q: The test scores of 11 students are listed below. Find Q1, Q2, Q3 and the 17th percentile, IQR= Q3-…

A: Note: As you have suggested, we have used Excel formulae to help you solve the question. We have…

Q: If instead of 25, 80 male runners are selected for the study, what is the sampling error at 95%…

A: Given that Sample size n = 80 Sample mean = 53 Population SD = 5.5 Margin of error E = 0.8 The…

Q: Here are the scores of 14 students on a geography test. 60, 67, 71, 75, 76, 78, 80, 80, 83, 90, 90,…

A: 60,67,71,75,76,78,80,80,83,90,90,92,93,94sample size(n) = 14The data is ordered from least to…

Q: find 3rd percentile for given data 12,13,20,16,5,4,6,9,7,14,16,18,19,16,25,15,14,5

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Q: Here are the scores of 12 students on an algebra test. 62, 63, 64, 64, 67, 68, 69, 70, 72, 73, 74,…

A: It is given that the data set62, 63, 64, 64, 67, 68, 69, 70, 72, 73, 74, 86.

Q: For Roger Maris 14 homerun seasons of 5,  8,  9,  9,  13,  14,  16,  19,  23,  26,  28,  33,  39,…

A: To find the percentile

Q: Several factors influence the size of the F-ratio. For 1a and 1b, select the pair that best…

A: If we increase the difference between the sample means affects the numerator of the F−ratio. As the…

Q: how to find the find the p value of a data table

A: To find p-value, test statistic and hypothesis must be known.

Q: Please answerR2:10

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Q: Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given…

A: a) X=9.9,9.3,10.2,9.3,9.5,9.7,10.1,9.8,10.5,10.2,10.2 Mean:  X¯=∑i=1nXin=108.711=9.8818 The means…