For paired observations, the value of the average difference is?       A. either positive or negative B. always positive C. always negative D. greater than the number of matched pairs

Q: From the list of test scores of 19 students. Find the inter-quartile range 36 45 49 53 55 56 59 61…

A: Given : 36 , 45 , 49 , 53 , 55 , 56 , 59 , 61 , 62 , 72 , 65 , 67 , 77 , 80  81 , 85 , 91 , 94 , 96…

Q: Given n=100, x=80, s=3.2, which is these is the point estimate of the population mean

A: Given that n=100, x=80, s=3.2   The point estimate formula is= p̂ = x/n

Q: If the proportion of H’s is .45 out of 200 flips, what is the p-value?

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Q: Do students perform worse when they take an exam alone than when they take an exam in a classroom…

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Q: For the data set below, what is the P(X greather than or equal to 1)?  Give your answer as 0.XX…

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Q: For a set of data where n = 64, and Range = 1.2, the most appropriate bin width (i.e., the width of…

A: Solution

Q: From these  scores, find the interquartile range.  6, 1, 10, 3, 7

A: Given data is: 6, 1, 10, 3, 7 IQR = Q3 - Q1

Q: For a population with u= 100 and o =20, find the X value that corresponds to the following z- Score=…

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Q: Calculate each value requested for the following set of scores. Scores:  4, 5, 0, 3           a.…

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Q: What is the mean of the following data set shown in the dot plot: 10 0. O a) 7.6 O b) 9.5 O) 8.5 d)…

A: Given,  The dot plot of the data set.  We have to find the mean of the data set.

Q: For the given data, find Ex, n, and x: 24, 17, 21, 19, 24, 19, 19, 13

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Q: Which of the following points would be considered an outlier? a, b, c, or d?

A: It is an important part of statistics. It is widely used.

Q: What is the level of measurement for each of the following variables? a. Human height. Ratio b.…

A: We want to tell you nominal, Ordinal, ratio, interval data

Q: For which of the following sets of data should a stacked bar chart be used?

A: *Answer:

Q: (b) What percentage of the eight population values stated above, fall within the interval (μ- σ, μ +…

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Q: for a population with μ=62 and ?=12, find the X value that corresponds to each of the following z…

A: Given Information: u = 62  s = 12

Q: A student at Tolland High School wondered if boys or girls at her school traveled a greater distance…

A: Solution : Given : n1 = 50 , n2 = 50

Q: For paired observations, the value of the average difference is?

A: Detaild Explanation Given In Attached File kindly Refer.

Q: Here is a bivariate data set. y 74 48 77 51 75 40 79 44 79 51 73 50 71 54

A: From given data set,   X Y X*Y X*X Y*Y 74 48 3552 5476 2304 77 51 3927 5929 2601 75 40 3000…

Q: The heights (at the shoulders) are: 600mm, 470mm, 170mm, 430mm and 300mm. Find out the Mean, the…

A: Here, x x-x (x-x)2 600 206 42436 470 76 5776 170 -224 50176 430 36 1296 300 -94 8836…

Q: The speed, in miles per hour, of 24 cars on a particular road are recorded and represented on the…

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Q: Tell wether the given value is a statistic or parameter Based on the sample of 1200 surveyed…

A: Solution

Q: Given that the mean number of centuries scored per player is 1.95, find the value of k.

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Q: For a set of 15 numbers, Er=1005 and Ex = 67710. For a second set of 20 numbers, Ey=1044 and Ey =…

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Q: Suppose the following information is identified: i = 79.1 n 80 5.37 c.) What would be the best point…

A: Solution

Q: Tell each of the following situations whether it requires descriptive or inferential statistics. 5.…

A: Tell each of the following situations, whether it requires descriptive or inferential statistics.…

Q: Given the following data pairs (x, y) (1, 1.24), (2, 5.23), (3, 7.24), (4, 7.60), (5, 9.97), (6,…

A: Solution

Q: Use the following data to identify the box and whisker plot: 48, 47, 16, 31, 26, 40, 11, 23, 50, 18,…

A: x 48 47 16 31 26 40 11 23 50 18 42 49 19 25 10

Q: People were surveyed about their age and their favorite way to travel for vacation. The results are…

A: Given info: The given graph displays the age and people's favorite way to travel for vacation.

Q: Find the mode of the following set of scores. 14 11 15 9 11 15 11 7 13 12

A: Ans- Find the mode of the following set of scores. 14 ,11, 15 ,9 ,11,15, 11, 7, 13, 12

Q: Consider the following set of data and answer Questions 4 through 6. 2 9. 5. 4. 4. 4) Determine the…

A: Consider the following set of data and answer the following questions.…

Q: Given n=80,X=76.5,s=3.1.which of these is the point estimate of the population mean?

A: We have given that  n=80, x̅ =76.5, s=3.1

Q: Given the following data. Find the Range: 16, 25, 4, 18, 11, 13, 20, 8, 11, 9 اختر احدى الدجابات О…

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Q: Consider the following data set. Round your answers to the nearest hundredth as needed. 38 42 37 28…

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Q: give the correct answer. compute the median value. a. 45.43 b. 47.90 c. 44.50 d. 46.52

A: Given data is Classes Frequency 31 37 6 ? ? 10 45 51 15 ? ? 3 59 65 1 ? ? 0 73 79 1…

Q: The scores on the Wechsler Adult Intelligence Scale are approximately Normal, with ?=100 and ?=15 .…

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Q: The scores on the Wechsler Adult Intelligence Scale are approximately Normal, with ?=100 and ?=15 .…

A: From the provided information, The scores on the Wechsler Adult Intelligence Scale are approximately…

Q: From the data given below, find the number of items n. r= +0.5, Ery = 120, o, = 8, Ex = 90 where x…

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Q: Given this table, what is the relative frequency (expressed as a percent) for red candy found in a…

A: Relative frequency:The ratio of frequency of particular event to the total frequency.  Relative…

Q: Use the information below to answer questions 13-15 Tonya surveyed the 8th grade students at her 14.…

A: From the table, we see that the total of the first row is 180 One element is 100 So the other…

Q: Which of the following could be the median of the waiting times, in minutes? O 17.25 O 15.00 O 12.25…

A: Given: The histogram below displays the frequencies of waiting times, in minutes, for 175 patients…

Q: Regarding the context regarding the coronavirus pandemic, see the table below, which refers to 5…

A: a) Absolute frequency of second grade that is 50-60 is 3.   b) Relative freq. = freq. of that…

Q: For a set of observations, Q1 80 and Q3 = 130. %D Values greater than and less than are possible…

A: Solution

Q: Tell each of the following situations whether it requires descriptive or inferential statistics. 2.…

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Q: If you recieved the data set {9, 16, 10, 20, X} and you knew the median was 15, what could you say…

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Q: Based on the histogram that shows the heights of hibiscus plants in inches i. How many plants have…

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Q: the following set of data and answer Questions 4 through 6. 5 4. 4. 4) Determine the Mean of the set…

A: Note: As per company policy we should solve only 1 question. So, kindly repost other questions…

Q: Use the table to answer the question.   Has a Cell Phone  Does Not Have a Cell Phone Totals Has a…

A: In this example we are dealing with a two way data table. Such type of tables are used to…

Q: The scores on the Wechsler Adult Intelligence Scale are approximately Normal, with ?=100μ=100 and…

A: Given dataMean = 100Standard deviation = 15Probability of scoring less than 130 is given by