The following distribution table shows the marks of 50 students who sat for a continuous assessment test        Table 1     Marks 0_10 10_20 20_30 30_40 40_50 Number of students 7 9 17   12 5   Calculate Mean mark Median mark Modal mark

Q: O a. Median O b. Mean O c. Mode O d. Variability

A: mean is found by the following formula  ∑xn it mean that most of the data that is given is around…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

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Q: = calculated for both quantitativé Mean Variance Midrange

A: The mode is the value with the highest frequency, that is, the mode is the value in the data-set…

Q: find an 80th percentile of the distribution of the average of 49 flyballs

A: Let M denote the average distance of fly balls for the sample of size n = 49.

Q: When you have a skewed distribution, it is better to use-- than -- interquartile range;range…

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Q: The retirement age of National Football League (NFL) players is Normally distributed with a mean of…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: The 20th percentile is the same as the 30th Range is the least reliable measures of variability. The…

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Q: The latest antidepressant produced is currently involved in the testing process. Eight subjects have…

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Q: implies Lemuel Score: 17, 20, 18, 12, 11, 9, 11, 12, 13, 16, 25, 18, 1 1. What is the mean of the…

A: We have to find the mean,range, percentile 78 according to given condition.

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: What is likely true about the distribution of YouTube views to have such different results when…

A: A careful inspection of the table reveal that the percentile value increases for each percentile.…

Q: 15) The heights of basketball players at a certain high school are normally distributed with a mean…

A: given data  normal distribution μ=193.25σ=6.52P(X<210)=?

Q: How do I interpret the 6 charcteristics of data when I am only given the mean, median, mode, and…

A: According to the provided information, mean, median, mode, and standard deviation are given.

Q: Assume that math test scores are normally distributed with a mean of 500 and a standard deviation of…

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Q: What distribution is used in this chapter to make inferences for two population standard deviations?

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Q: a) 10.99 % b) 87.19 7. CJ41.09 ). Il. Eisht pacent of all college graduates hired by companies sley…

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Q: In the past, the mean runing ime for a certain type of flshight attery has been 7.9 hours. The…

A: Given  mu=7.9, n=40, Xbar=8.1, alpha=0.05,sigma=sd=0.5

Q: mean score on stat finals for all Hartnell students is 78/10

A: Given that  The mean score on stat finals for all Hartnell students is 78/100   We know that…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

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Q: The mean score on stat finals for all Hartnell students is 78/100. Is this a parameter or a…

A: The parameter represent the population .

Q: What are the three value to indicate variability of a data set How do you determine whether it is…

A: Variability :  It refers to the difference being shown by the data points within a data set, as…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

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Q: The annual per capita consumption of oranges (in pounds) in the United States can be approximated by…

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Q: What is meant by composite average?

A: Composite average also known as combined average. It is the average of two or more groups/samples.

Q: What is Studentized Range Statistic?

A: Studentized Range Statistics was created by William Gosset, also called Student (hence the same…

Q: Suppose height of men in the US is normally distributed with mean 70 inches and standard deviation 3…

A: The middle 95% of sample means based on 10 randomly selected mean to fall is obtained below: From…

Q: Central tendency - mean is 100.5, median is 101, and mode is 100. Variabilty - range is 70,…

A: Introduction: Relationship between mean and median: The value of mean is equal to the median when…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

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Q: You want to see if it makes a difference which lane to be in when there is traffic. You randomly…

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Q: please explain how to use the standard deviation from the 1-Var Stats statistical output to obtain…

A: Hint:  Standard devation =Variance

Q: Describe the sources of within groups variance. How does within groups variance affect the range of…

A: Given information: It is required to describe the sources of within groups variance.

Q: he graph of the waiting time(in seconds) at a red light is shown below on the left with its mean and…

A: Given Information: Mean μ=16.6 Standard deviation σ=12.2 Sample size n=100 is drawn from the…

Q: Which one is not measuring the degree to which the scores in a distribution are spread out or…

A: Variance is a measure of dispersion. It measures how far each observation falls from the mean of the…

Q: How to estimate distribution

A: Steps to estimate a distribution1) Split the sample space into bins2) Count the no of samples that…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: How do I explain applying the normal curve to a set of test scores?

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Q: What is likely true about the distribution of YouTube views to have such different results when…

A: A careful inspection of the table reveal that the percentile value increases for each percentile.…

Q: Do the range,variance and standard deviation part Calculate following statistics to following data:…

A: Range: The range is calculated by subtracting the lowest value in the data from the highest value in…

Q: What method is used for interpreting the standard deviation that applies to data that have a bell…

A: Bell shaped distribution- It is also known as the normal distribution. The term "bell curve" invents…

Q: The annual per capita consumption of oranges (in pounds) in the United States can be approximated by…

A: Note :“Since you have asked multiple question, we will solve the first question for you. If youwant…

Q: Suppose that the distance of fly balls hit to the outfield is normally distributed with a mean of…

A: Let X denote the distance of fly balls hit to the outfield is normally distributed with a mean of…

Q: What does it mean when you have standard deviations of 27 35 and 32 and its effect on the validitity…

A: Standard deviation (SD) is a measure of dispersion. It measures how the data are spread around the…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.