Different brands (n= 20) of vaccines were tested to see how long they would to fight virus. The results are follows. Class Boundaries Frequency (months) 6.5-12.5 3 12.5-18.5 18.5-24.5 24.5-30.5 4 30.5-36.5 2

Q: om's commuting time from his residence in Carmel to the IUPUI campus has a normal distribution.  The…

A: Given that  The Tom's commuting time from his residence in Carmel to the IUPUI campus has a normal…

Q: What is the variance and standard deviation of 2, 4, 5, and 6?

A:

Q: The standard deviation of the sample  1,1,1,2,3,3,3 is

A:

Q: Compute the (sample) variance and standard deviation of the data sample. (Round your answers to two…

A: The data set is2, −3.4, 3.9, −0.8, −0.8Sample size(n)=5

Q: What is the standard deviation on the graph ?

A:

Q: For quantitative data, the mean is the best measure of center when the distribution is skewed.…

A: The statement is provided that mean is the best measure of center when the distribution is skewed.…

Q: Find the standard  deviation of 1.2, 2.7, 5.3, 3.4, 4.1, 4.6, 3.3, 2.7,  3.3, 2.6

A: Here we have to find, The standard  deviation of 1.2, 2.7, 5.3, 3.4, 4.1, 4.6, 3.3, 2.7,  3.3, 2.6.…

Q: The future Euroyen is the price of the Japanese yen as traded in the European Futures market. The…

A: Mean: Mean=Sum of the valuesNumber of values…

Q: Which measure would you use to explore the dispersion of your data? Choose all. variance mean mode…

A: We have given that,  Which measure would you use to explore the dispersion of your data?

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

A:

Q: Find: -mean -variance -standard deviation  -z-scores Of this set of numbers: 1, 1, 2, 2, 2

A:

Q: Find: -mean -variance -standard deviation  -z-scores Of this set of numbers: 4, 3, 3, 3, 4

A:

Q: What are the range, variance, and standard deviation of 0, 5, 10, 15, 20, and 25?

A: The following information has been given: 0, 5, 10, 15, 20, 25

Q: days in Buffalo, NY: {17, 26, 3, 13, 29, 34, 32, 30, 41} Which of the following values represent the…

A: Given data, 17,26,3,13,29,34,32,30,41   Standard deviation=? Variance =?

Q: 3. Given the sample variance of a distribution, explain how to find the standard deviation.

A: Variance is the measure of dispersion that calculates the average of the squared difference from the…

Q: What is the Mean deviation of the numbers 0.5, 0.8, 1.1, 0.9 and 0.6

A: The data is given by 0.5, 0.8, 1.1, 0.9, 0.6 And the mean of these numbers is Mean = (0.5 + 0.8 +…

Q: The hourly cost to hire a handyman in a particular city is normally distributed with mean $40 and…

A: Solution: 19. Let X be the hourly cost to hire a handyman in a particular city. From the given…

Q: Which of the following levels of variability (standard deviation or variance) would most likely…

A: The platykurtic curve has shorter peak and thinner tail compared to normal distribution. The excess…

Q: c. Analyzing marks of 15 students from Spring 2020, you found their mean to be 23.6 and standard…

A: Data given Summer 2020  23,18,17,24,27,18,14,29  Spring 2020  n=15, x̄=23.6, s=4.9

Q: Calculate the standard deviation, variance and co-efficient of variance of the following data. 45,…

A: The given data is, 45 32 37 46 39 36 41 48 36

Q: are normally distributed with a mean of 100 and a standard deviation of 15. What IQ is in the 90th…

A: Kwe have to find out given probabiity..

Q: What is the formula for calculating the variance of a set of n observations?

A: Objective of this question is that, what is the farmula for variance of n observation.

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

A: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

Q: Compute the mean, standard deviation and the coefficient of the variation of the data 10, 13, 15,…

A: Mean:The formula for finding mean is shown below:

Q: 1/For the below frequency distribution table calculate all the below reequipments. Class Frequency…

A: Given information: The given frequency distribution table: Class Frequency 2-4 7 6-8 8…

Q: Q4:- if you know that data ( 12, 10,12,10, 10,6) find the :- Mode, median, mean, variance and…

A:

Q: The commute tỉme for Cypress College students who drive from their home to the college follows a…

A: Here, µ = 26 and σ = 8.

Q: What are the means and standard deviation of the list below.

A:

Q: Which of the following is a good point estimator for the population variance?

A: The objective of the question is to identify a good point estimator for the population variance in…

Q: Draw the normal curve. Suppose that the amount of time it takes the Bureau of Internal Revenue…

A: Solution-: Given: μ=14,σ=1.5 We want to find x such that, P[X<x]=0.45

Q: Define the term standard deviation?

A: Standard deviation: The standard deviation indicates by how much each observation differs from a…

Q: 17. Sample Standard Deviation a. 72,996.50 b. 12,742.53 c. 12,528.36 d. 13,256.35 e. 14,214.75 18.…

A: 16. Here, x x-x (x-x)2 50167 11772.23 138585399.2 46084 7689.23 59124257.99 47702 9307.23…

Q: 7. Suppose that X- Normal (u,o²). (a) Find the PDF fy(y) of Y = e, and then sketch the graph of fy…

A: 7) Given that  X follows normal with mean μ and variance σ2 The probability density function for X…

Q: Define Standard deviation, s; variance

A:

Q: 1. Assume that the time a student stays in school is normally distributed with a mean of 5 hours and…

A: Mean(μ)=5 hoursStandard deviation(σ)=0.5 hours

Q: Calculate the standard deviation and variance for the distribution below: 3, 4, 5, 5, 6, 7

A: Given data, 3, 4, 5, 5, 6, 7   First find the sample mean.   Mean:

Q: 2, 4, 4, 6, 6, 7, 9, 12

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