How do I find the lowest and highest score limits for intervals

Q: Find the relative frequency for the class with lower class limit 35 Relative Frequency =

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Q: What is atypical range

A: Solution:A range is one of the measures of dispersion. It is defined as the maximum value of the…

Q: find 37th percentile   15,28,65,45,85,35,95,65,85,42,50,60,45,85,6

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Q: The mean score on a set of 20 tests is 70. What is the sum of all the test scores?

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Q: Alex works 15 hours per week. Find the lower bound of 95% prediction interval for Alex's grade.

A: From the provided information, The 95% prediction interval for Alex's grade is (-1.939517,…

Q: The results of a poll show that the true proportion of students who prefer the new schedule is…

A: Point estimate of interval: The point estimate of population  is given by, p^=Upper bound + Lower…

Q: For 60 randomly selected college students, exam score frequency distribution was obtained. Find the…

A: Given: class limit frequency 5-10 6 10-15 12 15-20 18 20-25 15 25-30 9

Q: A relationship expert wants to know if people with higher levels of emotional intelligence (measured…

A: a. Scatterplot: The scatter plot can be obtained using EXCEL software. Enter the variable X in…

Q: The results of a survey show that the percent of adults in a certain town who want to add bike lanes…

A: As per given by the question, result of the survey show that the percent of adults in a certain town…

Q: Vhat percent of the population obtains scores of 410 or less? What is the minimum score needed to…

A: Let , X→N(μ=500 , σ=100) Our aim is to find following :  a) P(X≤410) b) The minimum scores needed to…

Q: The mean score on a set of 20 tests is 75. What is the sum of all the test scores?

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Q: 2 = If µ(x) = 8 for 0sxs100 find the mean, mode and median of the age 100-x 400-x death of a…

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: the final exam, the teacher had matched 9 students in the first section with 9 students in the…

A: The mean difference between the paired sample or dependent sample is calculated for sample of size…

Q: How do you compute the range, interquartile range and standard deviation

A: formula's of Range , Interquartile range and standard deviation.

Q: p-value =

A: Given in the following  Satisfaction ratings of Traditional cell phone providers is denoted by…

Q: Blood glucose levels were recorded for all males over the age of 40, admitted with a diagnosis of…

A: Given data, lowest blood glucose level=58 highest blood glucose level= 442 Class interval=25 score…

Q: What is the range of these scores: 6,8,8,10,12,13? None of the above 3.5 5.

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Q: What is interval estimates?

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Q: Describe how to find approximate p-Values.

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Q: The mean of a class is 23.6 years. How old would a 26th student have to be for the mean age of the…

A: Given data The mean of a class is 23.6 years

Q: Determine the intervals on

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Q: The range, like the mean has the disadvantage of being influenced by outliers True False O

A: Solution-: The range, like the mean has the disadvantage of being influenced by outliers. (a) True…

Q: Find the confidence limits for the mean if x= 84.

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Q: Due to rounding, the total of the relative frequencies for the relative frequency distribution…

A: Solution-: Due to rounding the total of the relative frequencies for relative frequency distribution…

Q: 14. Intuitively, what would happen to the interval estimate of the commuting time if we instead…

A: Population size = 673,000 Sample size = 225 Sample mean commuting time = 31 minutes Sample standard…

Q: ARE THE INTERVALS IN THE 3 QUESTIONS ABOVE ONE TAIL RIGHT, ONE TAIL LEFT OR TWO TALS 2 20

A: (17) Critical value: Using the z-table, the z-critical value at 94% confidence level for two tailed…

Q: how do i calculate a z score or find the X-Value and determine if a score is usual or unusual

A: A z-score measures exactly how many standard deviations above or below the mean a data point is.

Q: A crew is building a series of identical day spas around the United States for a lifestyle company.…

A: We can generate a function of the form y = abx using the given info and from that function, we can…

Q: What is the p-value (

A: The value of test statistic is given by  Z = 3.27 We will use standard normal table (z- table) to…

Q: The mean score on a set of 27 tests is 87 What is the sum of all the test scores? The sum of all the…

A: The mean score on a set of 27 tests is 87.

Q: Suppose that the mean time for a certain car to go from 0 to 60 miles per hour was 8.6 seconds.…

A: Given information- We have given that mean time for a certain car to go from 0 to 60 miles per hour…

Q: What z-score forms the boundary between the highest 20% and

A: Let us define x as the value that separates highest 20% and the rest of the scores. That is,…

Q: represents the number of girls among 10 children. Use the range rule of thumb to determine whether 1…

A: here given ,  result from group of 10 BIRTHS from 10 different sets of parents  x = number of girls…

Q: What are the endpoints of the interval estimator for B2 with a 99% interval estimate?

A: Given: Sample size, n=62 Regression equation is - y=97.25+33.74xStandard error β1=3.86Standard error…

Q: 5. The average cost of mini protein bars is between $30 and $60. What is the range of the number of…

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Q: My class intervals were 4.5-4.4, 4.4-4.5, 4.5-4.6, 4.6-4.7, 4.7-4.8, 4.8-4.9 Is this not correct?

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Q: What is a point estimate for μ?

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Q: The similarity between an ordinal level and an interval level is that.

A: Ordinal level of measurement: When the possible observations are tags or categories or names, with a…

Q: What are the maximum and the minimum numbers of cell phones sold in a day? b. What is a typical…

A: a. From the chart, the maximum number of cell phones sold in a day is 19, and minimum number of cell…

Q: I need help understanding  -upper class limit -lower class limit -class width -class boundaries

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Q: The mean of marks in Statistics of 100 students in a class was 72. The mean of marks of boys was 75,…

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Q: the actual class-intervals: -3 0. +1 +2 +3 -2 -1 Total -4 8. 18 22 1 13 2 0 8. 80

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Q: what is the five number summary, range, and lower and upper limit?

A: We Have to give answer from given boxplot.

Q: What is the difference between point estimate and interval estimate?

A: Broadly, the estimates of the population parameters, based on samples are classified into two…

Q: Explain the three properties of interval estimates.

A: A interval estimate refers to the probability that a population parameter will fall between two set…

Q: What are the percentages of scores between -1 and -2/1 and 2?

A: Given problem Given that

Q: True or false- The interquartile range is the distance between the lowest score and in the middle…

A: The interquartile range is the difference between the value of quartile 3 and quartile 1.

Q: A............. is a table that shows the number of data observations that fall into specific…

A: We know that, when we have a large amount of data, we split data into several groups and write…

Q: The mean for the following values 10 ,60 ,50 , 30 , 40 , 20 is 34 Select one: True • False

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