According to the Empirical rules rule, if there are 500 observations in a mound shaped data set the approximately, observations lie within one standard deviation deviation interval from the mean of the data set. а. 170 b. 475 C. 340 d. 238

Q: Which of the following are measures on positions of a data set? 1. the third qurtile 2. the median…

A: The third quartile, the median and the maximum measures the positions of a data set.

Q: * The mean of the following data (8, 9, 3, 6, 4) equal: A. 6 OB.7 C. 8 O D. 4 OE. 3 * The median of…

A:

Q: The mean and standard deviation of a data set are 5 and 7, respectively. If each observation in the…

A: From the provided information, Mean (x̄) = 5 Standard deviation (s) = 7

Q: IQR If data are approximately normal, then 1.3 O A. True O B. False

A: We have given that  If data are approximately normal then IQR /s2 = 1.3

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A:

Q: . Multiple Choice. Choose the letter of the best answer. _____1. Statistically, the spread or…

A: we only solve three parts of a question if you need help with others too please post them here one…

Q: At the end of the semester a professor wants to organize student’s grades by how many students…

A: Given data, At the end of the semester a professor wants to organize student’s grades by how many…

Q: Which of the following best illustrate continuous unimodal data? A. histogram B. bar chart C. box…

A: Given two problems related to continuous unimidel data and Box plot.  We have to choose the correct…

Q: Use the data 2, 3, 3, 6, 6, 7. Add 2 to each of the numbers. How does this affect the mean? How does…

A:

Q: It is called the properties of populations, like the mean or standard deviation, as they represent…

A: Here given, properties of populations, like the mean or standard deviation, as they represent the…

Q: Use a calculator or computer software to generate a normal quantile plot for the data in the…

A: Solution a) option c) shows correct normal quantlile plot.

Q: Use a calculator or computer software to generate a normal quantile plot for the data about the ages…

A: Here we have to generate QQ plot for the above data. QQ plot is used to check whether the data…

Q: 20. For the data in the following sample: 10, 6, 8, 6, a. Find the mean and the standard deviation.…

A: 20. a. The mean of the sample is, x¯=∑ixin=10+6+8+6+55=355=7 Thus, the mean of the sample is 7. The…

Q: a. the range b. the variance c. the standard deviation

A: The given frequency distribution is Class interval Frequency (f) Mid value (x) fx fx2 7-9 2 8…

Q: A statistician was exploring a set of data representing a group of 121 women.  The mean was 49 and…

A: Sample size, n = 121 Mean = 49 Variance σ2 = 9 We have to find the standard deviation.

Q: Which of the following statement is true ? A. The range is a measure of central location B. The…

A: We know, A. Mean is a measure of central tendency B. The standard deviation is a measure of…

Q: The value which divides data arranged in ascending or descending order into two equal halves is.…

A: The objective is to determine the value that divides the arranged data (ascending or descending…

Q: Use a calculator or computer software to generate a normal quantile plot for the data in the…

A: Step 1:   We can find the normality of the distribution using qq-plot in excel. To draw a normal qq…

Q: 1) In a basketball game between SWU PHINMA and UV, the cobras players' individual points were 23.…

A: Since you have asked multiple question, we will solve first question for you. If you want any…

Q: elect ALL the ways that variation in the data can be measured below. A. The mean of the data B. The…

A: We have to find ways that variation in the data can be measured

Q: For which measure of center must the data be ranked? A. Mode B. Standard Deviation C. Median D. Mean

A: Given Mode Standard Deviation Median Mean

Q: 4. Given 2 sets of data, A and B. Set A has a mean of 10 and standard deviation of 7.416 while Set B…

A: Given 2 sets of data, A and B. Set A has a mean of 10 and standard deviation of 7.416 while Set B…

Q: Which statement below is correct? a. Standard deviation should be used when calculating z for a…

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Q: Dianne has a choice of two routes to drive to work. She timed her journey along each route on…

A: From the provided information (i) For Town route:  x x2 15 225 16 256 20 400 28 784 21…

Q: The information collected on the average strength of students of Statistics Students in two sections…

A: Given  Measure Section-A Section-B Mean (M) 160 150 Median (Md) 130 110 Standard Deviation…

Q: 1. Using a calculator, solve for the mean and the standard deviation of the given set of data. a.…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: Use a calculator or computer software to generate a normal quantile plot for the data in the…

A: Here we use Excel to generate a normal quantile plot for the data. Steps; Name the first column as…

Q: Direction: Solve the following problems. Identify the given and provide the correct llustrations for…

A: Normal distribution in the center is generally denser and basically less dense at the tails. There…

Q: In a particular examination, the mean score is 82 and the standard deviation is 3.7. What is the…

A: Ans - Given, In a particular examination, the mean score is μ = 82 and the standard deviation is σ =…

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.