given the data distribution is aproximately normal with the minimum value of 25 and the maximum value of 256 a) estimate the value of mean and median

Q: are 10.2, 9.7, 10.1, 10.3, 10.1, 9.8. 9.9, 10.4, 10.3, and 9.8 liters. Use a 0.01 level of…

A:

Q: The symbol u, represents the mean of a sample of size n. True False

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Q: A teacher asked his students if they bought the assigned worktext. Which of the measures of central…

A: Mean : Mean is the useful method when data is in ratio scale variable (Categories, in order) and…

Q: The “best estimate” of the mean of a parent distribution, using a data set consisting of N samples,…

A: The given statement is,  The “best estimate” of the mean of a parent distribution, using a data set…

Q: Find the standard error of the mean for each sampling situation assuming a normal population o = 54,…

A: From the provided information, Population standard deviation (σ) = 54 Sample size (n) = 9

Q: Number of drivers involved with accidents during night time. Number of drivers involved with…

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Q: Given the interval estimate for the mean (6.2, 17.6), the point estimate for the mean is

A: Solution: From the given information, the interval estimate for the mean is (6.2, 17.6).

Q: Past records suggest that the mean annual income,  μ1 , of teachers in state of California is less…

A: State the hypotheses. That is, there is no sufficient evidence to reject the claim that the mean…

Q: Compute for the MEASURES OF POSITION &VARIATION of the grouped data: a) MEAN b) MEDIAN c) MODE d)…

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Q: When is the desired mean, m , used in establishing the center-line of a control chart instead of x ?

A: Normally during the methodology for drawing control charts, samples are drawn from a stable process…

Q: Here is a stemplot of the areas of the 46 counties in South Carolina. Note that the data have been…

A: Percent of south carolina counties have area less than 390 390 390 390 400 410 410 460 460 480 490…

Q: The sample mean, x, is called a

A: Statistic is a measure which is based on sample. Parameter is a measure which is based on…

Q: Given the interval estimate for the mean (9.2, 18.8), the point estimate for the mean is and the…

A: The given interval estimate for the mean is (9.2, 18.8).

Q: For a data set of 133 values, a histogram created based on Sturge's Rule would have how many bins?

A: Given information: Number of observations. in data set = 133 Sturge's Rule is method of choosing the…

Q: Given the interval estimate for the mean (6.2, 17.6), the point estimate for the mean is , and the…

A: Given information- We have given the confidence interval estimate for the mean = (6.2, 17.6) We have…

Q: Consider the data set 6             7            12          18          22 together with a sixth…

A: Given Data set   6, 7, 12, 18, 22, x   Mean=6+7+12+18+22+x6=65+x6∑xi2=62+72+122+182+222+x2=1037+x2

Q: If you have a 99% confidence that a population proportion is in the interval from a to b, what does…

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Q: A sample data set has a mean of 57 and a standard de- viation of 11. Determine whether each of the…

A: Defining outlier : if the observation is not with in 3 standard deviations range of the mean then…

Q: Given the interval estimate for the mean (5.2, 14.4), the point estimate for the mean is and the…

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Q: With a mean of 40, and SEM = 5, what values would encompass 99% of scores (assume sigma is known)?

A: Introduction: Let x be the continuous random variable and it said to be follows normal distribution…

Q: If the mean speed for a major league fast ball is 90 miles per hour and the standard deviation 5…

A: Given: Population mean (µ) = 90 Population standard deviation (σ) = 5 Raw score (x) = 97

Q: Assume critical reading scores for a standardized test are distributed as N(520, 100). Complete…

A: Given that  Critical reading scores normally distributed with  Mean (μ) = 520 Standard deviation (σ)…

Q: Identify the most appropriate measure of variation corresponding to each of the following measures…

A: -

Q: Given the interval estimate for the mean (8.2, 18.6), the point estimate for the mean is and the…

A: Obtain the value of the point estimate of mean.   The value of the point estimate of mean is…

Q: If N = nk, where k is an integer, the sample mean Y sys is an unbiased estimate of population mean..

A: Answer: For the given data,

Q: Which of the following would be a point estimate for the population mean?

A: Here use definition of given terms

Q: a is used to represent the population proportion level of significance standard deviation population…

A: According to the given information, we haveThe symbol 'α ' is given.

Q: A group of students need to submit a project and they need to survey people about their daily…

A: see the handwritten solution

Q: Given the frequency table below of the students result in 25 point quiz. Compute its standard…

A: Given: X Frequency 6 2 9 4 12 14 15 9 18 6 21 3 24 2

Q: Here is some sample data that is already in a stem-and-leaf plot: 1 | 6 2 | 3 | 0 1 4 | 5 5 5 7 5 |…

A: Given: A stem and leaf plot. The observations from the stem and leaf plot are: 16, 30, 31, 45, 45,…

Q: If the first quartile is 142 and the semi interquartile range is 18 find the median assuming the…

A: The first quartile represented by Q1 is the value below which 25% of the observations lies. The…

Q: Consider a sample with data values of 10, 20, 15, 18, and 11. Compute the range and interquartile…

A: Given data, 10,20,15,18,11 Range=? IQR=?

Q: E = 4.1 o = 23.45 CI = 95% %3D

A:

Q: A watch manufacturer claims that their watches on average will neither gain nor lose time during a…

A:

Q: Past records suggest that the mean annual income, u, of teachers in state of New York is less than…

A: Let X : annual income of 15 teachers from New york Y : annual income of 15 teachers from Illinois :…

Q: Given the interval estimate for the mean (8.2, 11.4), the point estimate for the mean is and the…

A: Given information- We have given the confidence interval estimate for the mean = (8.2, 11.4) We have…

Q: Given the interval estimate for the mean (5.2, 17.8), the point estimate for the mean and the margin…

A: Given, The interval estimate is      (5.2,17.8)

Q: .4, -0.2, 1.5, 1.8, and -0.7

A: Given, Number of observation (n) =5 Coded measurements are 0.4, -0.2, 1.5, 1.8 and -0.7

Q: Compute the following values and find the following: • Mean: • Median: • Mode: • Third…

A: Solution

Q: Given the interval estimate for the mean (9.8, 17.8), the point estimate for the mean is and the…

A: Give that  Interval estimate for the Mean (9.8 , 17.8) Lower limit = 9.8 Upper limit = 17.8   We…

Q: A watch manufacturer claims that their watches on average will neither gain nor lose time during a…

A:

Q: Consider a sample with data values of 10, 20, 12, 17, and 16. Compute the range and interquartile…

A: The given sample data values are 10, 20, 12, 17, and 16. Software procedure: Step by step procedure…

Q: Past records suggest that the mean annual income,  μ1 , of teachers in state of Utah is greater…

A: The sample means of annual income of teachers in Utah and in Oregon are, The null hypothesis is,…

Q: Given the interval estimate for the mean (5, 15), the point estimate for the mean is ________, and…

A: Solution: From the given information, the interval estimate of the mean is (5, 15). Then, the point…

Q: For testing the difference between three or more sample means, the level of measurement is assumed…

A: There are four types of scales: Nominal scale Ordinal scale Interval scale Ratio scale. Nominal…

Q: Refer to the data below. 38 42 26 22 30 42 36 42 Which measure of dispersion in a data set is…

A:

Q: Given the interval estimate for the mean (9.2, 13.4), the point estimate for the mean is _______ ,…

A: The given interval estimate for the mean is (9.2, 13.4).The margin of error is calculated below:

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.