find the value of the variance, What percentage of values are greater than 7 modes is, find the median and find data value that leaves 25% of the data o Clases fi 745 < 750 3

Q: Explain what happens when finding the margin of error if all stays the same except the sample size…

A: Solution: The margin of error can be calculated by using the formula:

Q: Find the mean for the given data set, 24,11,32,16,18

A: Answer: From the given data set, 24,11,32,16,18 Sample size(n) = 5

Q: In a large data set, the 49th percentile is 523 and the 71st percentile is 675.  About what…

A:

Q: Measures UI Use the table for 1-4. 1. What is the mean of the data? 10 +8+11 + 12 + 6 47 %3D 9.4…

A: Finding the median and mode of the given data set

Q: b) Rachel received the following scores on the midterm and final examinations in his introductory…

A: The normal distribution is the bell shaped distribution which is centred at the mean. This is also…

Q: Karen wants to estimate the mean number of siblings for each student in her school. She records the…

A: Given, Karen records the number of siblings for each of 200 randomly selected students in the…

Q: xplain how to use a boxplot show you the measures of center variations, and distribution of data set

A: Box and whisker plot: A type of graph used to display patterns of quantitative data is called a box…

Q: You have a dataset with a mean of 2, median of 3 and variance of 9.  What is the skewness?

A: Given that  Mean = 2 , Median = 3 , Variance = 9

Q: Describe the distribution of the data. What can you say about the number of goals made by the…

A:

Q: Record the type of screened electronic devices (ipad, iphone, TV, laptop, etc) you have in your home…

A: The data measured in the experiment are of four types, they are nominal, ordinal, interval and…

Q: In a distribution of scores, the mean is 12, the median is 8 and the mode is 4. Describe the shape…

A: A distribution is said to be positively skewed / right skewed if Mode &gt; Median &gt; Mean  and…

Q: Find the sample mean of the data. Be sure to include screenshot of Excel of your answers and…

A: 30 30 30 30 40 60 40 15 50 150 40 30 30 30 40 30 40 30 30 30…

Q: Based on the boxplots and the mean/median relationship what is the shape of each data set? Explain…

A: Given:

Q: Find the variance of the number of storms in August.

A: X: Number of thunderstorms in August.

Q: In each game of the season a basketball player scored the following:…

A: Solution:Mean ˉx=∑x/n  =(8+19+15+7+8+12+19+16+20+13+10+11)/12  =158/12  =13.1667 Median…

Q: Is the Median a good way to represent the number of points scored per game for all the players?

A: Is the Median a good way to represent the number of points scored per game for all the players ?

Q: Determine the approximate population variance. # of People Helped 247 211 200 199 180 230 215 175…

A: Given Data :

Q: What's the median of the data set below?  6,0,0,1,2,10,15,1,3,9,1

A: Case (i) : Median is exactly the middle value of the data set, when given data set is odd (i.e., n =…

Q: Class Boundaries Frequency midpoint TX (x) 7.5-12.5 12.5-17.5 17.5-22.5 15 22.5-27.5 27.5-32.5 2 mln

A: Given : Class Boundaries Frequency 7.5-12.5 3 12.5-17.5 5 17.5-22.5 15 22.5-27.5 5…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000…

A: mean=μ=E(X)

Q: 6.34 As in Exercises 6.6, 6.10, and 6.20, in a study of the particulate pollution in air samples…

A: Given that, the joint pdf of X and Y is,  f(x,y)= 1  ; 0&lt;=x&lt;=2 ; 0&lt;=y&lt;=1  ; 2y&lt;=x…

Q: A data set {19, 5х, 14, 8, Зх, 29} has a mean of 25. Find the median of the data

A: Find the median of the data set.

Q: What is the variance using this equation, with the following data: 76, 88, 67, 80, 44, 65, 50, 98,…

A: Sol: Given data, 76, 88, 67, 80, 44, 65, 50, 98, 55, 45, 23, 44, 65, 78, 66, 56, 89, 76, 87, 29

Q: Complete the sentence below. The denoted p, is given by the formula p = where x is the number of…

A:

Q: Identify the elements in the figure that show (a) the mean and (b) indicate a measure of variability…

A: The given figure shows the mean and variability of four Body tissues- Fin, Muscle, Blood and Plasma…

Q: FInd the Mean and Median of Both Boys and Girls

A: Given data,For boys:10,7,8,11For girls:6,9,8,5

Q: What is the variance of the data set 14,23,9,12,21,18,8

A:

Q: Min Median Max Mean SD IQR Range 103 109 112 109 3.4 6.5 12 Radio Station A 91 96.5 108 97.8 4.5 6…

A: The question is incomplete, next time please attached the full question and I am providing your…

Q: Describe when you would use an analysis of variance versus an independent samples t-test.

A: Analysis of variance (ANOVA) is used when we have more than two independent samples whereas…

Q: Using the dotplot of % Bachelor's Degree below, determine the range, IQR, variance and standard…

A: Given dot plot is Data from the dot plot is,19,20,24,25,27,27,28,29,29,32,32,33,35,36,49Arrange the…

Q: Fitness Machine A fitness center bought a new exercise machine called the Mountain Climber. They…

A: From the provided information,The probability distribution is as follow:X01234P (X)0.20.20.10.40.1

Q: How can I find the sample mean of these four scores ? 1,4,4,10

A: Given data, 1,4,4,10 sample mean(x)=?

Q: How can I Calculate the mean and median of the data set by hand.

A: Statistics is the branch of Applied Mathematics in which we do collection, analysis, interpretation…

Q: Can you find a set of data such the mean, median, and variance are all equal to each other?

A: A normal distribution is a common probability distribution . It has a shape often referred to as a…

Q: How to find the variance of a set of numbers

A: Variance:- The amount of data values spread from the mean is known as variance.

Q: Here are 11 numbers in sorted order. -49, -45, -42, -37, -35, -35, -28, -25, -25, -21, -19 What is…

A:

Q: What is the variance of the data set 14,23,9,12,18,8

A: Given Data :  XX 14 23 9 12 18 8 Below table will be used to calculate variance :…

Q: Can you find a set of data such that the mean, median, and variance are all equal to each other?…

A: Yes, it is possible to have a datasets with same mean, median and mode. Consider the dataset: 4, 5,…

Q: Explain the variance of the sum or difference of the two variables X and Y ?

A: Variance of sum of two variables: The variance of the sum of two or more random variable is equal to…

Q: Here are the weights (in pounds) of a sample of 10 male eleventh graders. 156, 166, 159, 174, 174,…

A: Given data set: 156,166,159,174,174,164,148,164,163,149 Total number of observations = 10