What is the frequency corresponding to a score of 8

Q: Use the sample data and confidence level given below to complete parts (a) through (d). In a study…

A: From the provided information, Sample size (n) = 2598 Among which 913 were returned that is x = 913…

Q: In​ Lindsay's class, there were three students who scored 80 on a test and six students who scored…

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Q: Marcus rolls 2 number cubes, each numbered from 1 to 6. He rolled an even sum 16 times and an odd…

A: Given that  The Even sum is 16 times The Odd sum is 10 times  The relative frequency is the ratio of…

Q: The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the…

A: The cumulative frequencies are obtained in the below table:

Q: What is the value of Ex² for the scores 1, 0, 2, 4? O 21 O 28 O 14

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Q: This frequency histogram presents the final grades of a random sample of 100 college students. 15-…

A: Given a histogram of final grade score vs Frequency

Q: Part a: The z-score corresponding to the oldest senator of age 87 is part b: the z- score…

A: We have given that,  X be the  random variable from normal distribution with mean (μ) = 60.5 and…

Q: The cumulative relative frequency graph shows the distribution of the percent of foreign-born…

A: z score is values is shows us how many number of standard deviations away from the mean , i.e below…

Q: A garden contains 40 flowers, 30 of which are red. What is the frequency of red flowers? 0.25 1.0…

A: total no.of flowers=40no.of red flowers=30

Q: What is the weighted mean of the numbers 10%, 30%, 60%, 70, 86 and 94

A: The formula of weighted mean is given by…

Q: 0.4686 0.4686 z=? 0 z=?

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Q: The average (mean) score on an exam was 76.375 in a class consisting of 21 Administration students…

A: From the provided information, The average score on an exam was 76.375 consisting 21 Administration…

Q: ate Kobe was 6'6" (or 78 inches).  Suppose the average height of men is 5'9" (or 69") and SD is 3".…

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Q: On five exams, Rachel has a mean score of 80 points. Her lowest score was 50.  If this score is…

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Q: What is the range of Joey’s first 14 quiz grades? What is the range of Joey’s quiz grades after his…

A: a) Range of first 14 quiz Lowest value=74 Highest value=98   Range=Highest value-Lowest Value…

Q: What are the steps for Finding Proportions for One Score?

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Q: a flute instructor examined student progress

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Q: The mean of 14 numbers is 49. Removing one of the numbers causes the mean to decrease to 43. What…

A: given data:mean =49n=14 Removing one of the numbers causes the mean to decrease to 43new total…

Q: The mean score of 8 players in a basketball game was 14.5 points. If the highest individual score is…

A: Given; Mean score of 8 players is 14.5 and mean score of 7 players is 12.

Q: A population has a mean u = 17 and standard deviation o=14. What number has a z-score of -0.1? O-1.2…

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Q: Find the average?

A: We have given that a sample data of sample size n=5. The data is:  70, 60, 50, 42.5,  41.   Average(…

Q: find the value between z score -2.9 and 1.5287

A: To find: Find the value between z score -2.9 and 1.5287

Q: Thao earned the following scores on her six management exams last semester. 79, 85, 44, 91, 79, 88…

A: The scores earned on her six management exams last semester are as follows, 79 85 44 91 79 88…

Q: The mean of 12 numbers is 48. Removing one of the numbers causes the mean to decrease to 45. What…

A: Measures of Central Tendency: A measure of central tendency represents the central value or typical…

Q: Determine the alternative hypothesis. Ha: H1 # H2 Determine the standardized test statistic.

A: For population 1, sample size is n1 = 31, sample mean = 18, population SD = 3.3 For population 2,…

Q: MATHEMATICAL

A: Given, Sample  Mathematical Skills (x) x2 1 43 1849 2 37 1369 3 44 1936 4 30 900 5 32…

Q: What score has the highest frequency

A: The histogram helps in understanding the distribution of the data.

Q: On the first day, the researcher runs 10 elephant shrews, which receive the following scores: 4 8 4…

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Q: Please make your own questions and solve it on your own about the following topics: - Standard…

A: Here, the following question is constructed- Let us consider a random variable X with mean 110 and…

Q: determine the interquartile range of quiz scores from the table

A: Arrange the number in ascending order. S.no x 1 2 2 4 3 5 4 6 5 7 6 8 7 8 8 9

Q: 2. Explain the steps of finding the IQR.

A: 2) The steps to finding the value of IQR is, Step 1: First arrange the data in ascending order Step…

Q: What is the value of p in the diagra

A: From the given plot, PA=0.487PB=0.513 PB|A=pPB∩APA=pPB∩A0.487=pPB∩A=0.487p.......(1)…

Q: ased on the histogram above, what is the frequency of the class containing the value 2 8- Frequency

A: we have to find frequency of class containing the value 2

Q: What’s the formula to turn a Z score to a T score?

A: The  score is the standardized score obtained by using population data or large samples .The  score…

Q: The average of 7 consecutive even integers is 20. What is the median

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Q: hich is the most accurate way to estimate 32% of 79

A: To determine which is the most accurate way to estimate 32% of 79.

Q: A student completed an exam and their z score was -1.57. What percentage of students did better on…

A: We know that Z-score = (x - mu)/sigma  mu= 0 , sigma =1   X~N( 0,1)

Q: Find P₄₁ , which is the score separating the bottom 41% from the top 59%. P₄₁ =

A: It is given that the area is 0.41.

Q: The mean score of 7 students on a short test is 7 out of 10. If six of the seven students scored 9,…

A: The mean score of 7 students on a short test is 7 out of 10 . If six of the seven students scored…

Q: how did you find the Z score?

A: The critical value  of z for 97% confidence  interval  is 2.17.

Q: Generally, 1 in 40 women will develop skin cancer in their lifetime. A study showed that that the…

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Q: A veterinarian recorded how many kittens were born in each litter. This data is summarized in the…

A: A histogram is a graphic representation of data that uses bars of various heights. Each bar in a…

Q: The low temperatures in the Town of Rigby for 5 conservative days were -12, -17,-11,-12,-18 what was…

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