(b) The weight of computer chairs is approximately normally distributed. There are two companies produce that kind of chair. Table Q2(b) shows the necessary data. Table Q2(b): Details related to Company 1 and Company 2 Company 1 Company 2 20.1 23.1 Sample mean Sample standard deviation Sample size 4.6 3.1 38 29 Find the probability that the mean weight of computer chairs produced by Company 2 is more than the weight of computer chair produced by Company 1.

Q: What is the third quartile

A: We are asked to find the third quartile

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A:

Q: Does the mean or median better represent the data? Explain your reasoning.

A: Given data:   30 15 40 40 40 30 50 40 100 30 30 30 30 150 30 30…

Q: Explain what u understand by ANOVA using examples

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

Q: Determine the average value . 0, 2, 5, 9, 15, 22, 25, 32, 40, 36, 23, 18, 8, 4, 3, 0.

A: Given data set is 0,2,5,9,15,22,25,32,40,36,23,18,8,4,3,0

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Q: Find the Score function

A: With respect to the relevant parameter, the score function is a derivative of the log-likelihood…

Q: The sample mean of a dataset is 3.8 from 13 observations, calculate the sum of observations.

A: From the provided information, Mean of dataset (x̅) = 3.8 Number of observations (n) = 13

Q: 4.39,4.47,4.21,3.86,3.72,3.64,3.77,4.60,3.82,4.87,3.94,2.91,4.88,4.21

A: Formula : CV = (standard deviation /mean)

Q: Describe about statistical error.

A: In statistics and inference theory, there are various methods through which estimates of true…

Q: 4. Describe how you collected your sample, do you think your sample is represen Discuss any sources…

A: Given a Pie Chart, we can get easily the proportions of sunfish, bass and carp

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A: Why power test is matters in statistics?  Having  enough statistical  power is necessary  to draw…

Q: Describe about the Averages for Ranked Data.

A: The ranked data is mainly used in the non-parametric tests are they are performed on ordinal data.…

Q: Find the mode of the following data 84,83,73,73,84,73,73

A: Data : 84,83,73,73,84,73,73

Q: Describe about the normal shape of the histogram.

A:

Q: What is p value ?

A: The​ P-value is the probability of observing difference in the sample statistic this high or higher…

Q: When is it best to use the mode as a measure of center? Describe what type of data would lead you to…

A: The mode is the least used of the measures of central tendency and can only used when dealing with…

Q: Find de mean, median, and more, 3,6,7,3,9,8,3,7 5

A:

Q: What is the median? 20 40 70 80 2000

A: From the provided information, The number of observations is 5, that is n = 1 The count of…

Q: How do i calculate finding the percentage between two z scores?

A: To find the probability between two z-scores: z-score represents the number of standard deviations…

Q: e a set of data with live data values for which the mean, median, and mode are all 55

A: The standard deviation is used to calculate the variability of the data set. It tells us about the…

Q: What is the mean of the sample average distribution? Same as the population The median of the…

A: We have to find correct option.

Q: Mina is waiting in line at the Department of Motor Vehicles (DMV). Her wait time is in the 85th…

A: It is clearly given in statement that at Department of Motor Vehicles waiting line is Mina wait time…

Q: If n = 28, ¯xx¯ = 45, and s = 20, construct a confidence interval at a 80% confidence level. Assume…

A:

Q: How do you test for reliability

A: Reliability: Reliability is the consistency of the measures used in a testing process. In other…

Q: Name two limitations of this test.

A: Chi Square Test The Chi-square test is a non-parametric type that does not have distribution and is…

Q: What are the Ordinal Measures?

A: Ordinal  scale is the 2nd level of measurement that reports the ranking and ordering of the data…

Q: How to determine to cut ap value in statistics?

A: P-value: The p-value is a measure of degree of the evidence against the null hypothesis. The…

Q: What is the median? 20 30 60 80

A: The median of a set of values is the middle term of the values. To find the median, first, arrange…

Q: Describe of two examples of data sets for each of the four levels of measurement. Justify your…

A:

Q: Is theory essential to the research process and statistics? Please Explain.

A: Introduction about Theory: Theory can be defined as the idea or concept that has no proof. It could…

Q: Find the First Quartile 12, 14, 18, 32, 59, 82

A: Given :                 12 , 14 , 18 , 32 , 59 , 82 To find :                   The first…

Q: find third quartile   105,108,110,110,112,120,140,150,180

A:

Q: lease dont do handwritten and please explain every concept, i will definitely like or else skip…

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Q: What is the median of the data set below? 28, 35, 50, 56, 88, 63, 35, 72, 84, 88

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Q: Describe when you would use an independent samples t-test versus a dependent samples t-test.

A: In an independent samples t-test, two different groups are investigated and in a dependent samples…

Q: what level of measurement is the rating of the overall quality of a textbook from excellent to poor

A: what level of measurement is the rating of the overall quality of a textbook from excellent to poor?