The frequency table of the monthly salaries of 30 people is shown below. salary(in $)                                       frequency 4500                                                        6 4800                                                        7 5200                                                        5 6300                                                        4 7100                                                        8 a) Calculate the

Q: 1) Find the mean and standard deviation of the number of seconds the subjects stay balance for each…

A: Mean: Mean is defined as the ratio of sum of all values to the total number of all values Standard…

Q: A survey of 1000 adults were asked how much they spend in preparation for personal travel each year.…

A: As per the Bartleby guildlines we have to solve first question and rest can be reposted.... Given…

Q: udnury's bowling ball factory in llinois , in pounds, of 9 of the bowling balls produced that day…

A: See the handwritten solution

Q: 9. The following data represents the number of tornadoes per year in Oklahoma from 1995 until 2004.…

A: As per Bartleby guideline expert have to answer first question three subparts only dear student…

Q: A distribution consists of three requencies 250, 300, 350 having neans 30, 15 and 20 and standard…

A: We have given that  Size N1=250 , N2=300, N3=350 Sample mean xbar1 =30 , x2=15 , x3=20 Standard…

Q: Find (a) the range and (b) the standard deviation of the set of data. 26, 32, 22, 24, 26, 31, 28 (a)…

A: 26,32,22,24,26,31,28 sample size(n)=7

Q: The sample mean is x=nothing. ​(Round to one decimal place as​ needed.) The sample standard…

A: Here we have to create the frequency distribution and find the following,l 1) The sample mean 2) The…

Q: The red blood cell counts (in 10 cells per microliter) of a healthy adult measured on 6 days are as…

A:

Q: Can you find the mean and the standard deviation with this data?

A: Given: Data on Index finger length for female. Step-by-step procedure to obtain the mean and the…

Q: The weight of each baby born in a given week in provided in this table below. The mean weight is…

A: Given information: The mean weight is 7.25 pounds and the standard deviation is 1.03 pounds.

Q: The monthly salaries (in thousands of dollars) of a sample of 6 sales representatives are as…

A:

Q: Heights for group of people are normally distributed with mean = 69 inches and standard deviation =…

A:

Q: The number of chocolate chips in an 18-ounce bag of Chips Ahoyl chocolate chip cookies is…

A: Mean()=1262standard deviation()=118

Q: The mean and standard deviation of the sampling distribution of the mean is shown as?

A:

Q: The mean deviation of the data(1 * :2,9,9,3,6,9,4 from the mean is 2.23 3.23 O 2.57 O 3.57 O

A:

Q: standard deviation using the data in the table. No 1 2 3 4 5 6 Number of points 94 95 100 103 92 82

A: Given : No 1 2 3 4 5 6Number of points 94 95 100 103 92 82

Q: display of data to find the standar

A: Given,

Q: Birth weight, in grams, of newborn babies are normally distributed with a mean of 3290 grams and a…

A: Mean=3290gmStandard deviation =520gm

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 269 days…

A:

Q: Approximate the standard deviation of age for males. I already know that the population mean is…

A: Given data table is,Agemalesfemales0 - 910510 - 1910720 - 29171630 - 39181640 - 49212250 - 59232560…

Q: Claim: The mean pulse rate (in beats per minute) of adults males is equal to 69 bpm. For a random…

A: From the provided information, Sample size (n) = 130 Sample mean (x̄) = 69.3 Sample standard…

Q: A standardized exam's scores are normally distributed. In a recent year, the mean test score was…

A: Solution: Let X be the score. From the given information, X follows normal distribution with mean…

Q: Find the range, sample standard deviation and inter-quartile range (IQR) of the following data set.…

A: Given data set is 23,26,45,51,54,54,60,65,83,97sample size(n)=10

Q: Find the standard deviation for the grouped data.

A: Solution; Interval Frequency (f) midpoint(x) fx (x-x)2 f*(x-x)2 50-59 7 54.5 381.5 351.5625…

Q: a. Find the mean of the battery lives. hrs (Type an integer or a decimal. Round to two decimal…

A: Here we have given the data, We have to find the mean of the battery lives and also standard…

Q: Find the range and standard deviation. The table below gives the number of hours spent watching TV…

A: Given data is10,5,1,2,7,3,4,8,7,3,3,7,5,8,3,3,1,8,10,6,5,1,9,2sample size(n)=24

Q: The scores on the final exam in a statistics course are close to being normally distributed. The…

A: Normal distribution: It is a continuous probability distribution, that is bell-shaped with lighter…

Q: Male and female populations of to under 80 years old are represented by age in the table below.…

A: The question is about frequency distribution.Given :

Q: Find the standard deviation of the following values: 2.58x10-5, 2.33x10-5, 3.28x10-5, 3.57x10-5

A:

Q: Find the standard deviation using 2 methods. And identify it is a grouped data or ungrouped data

A: Solution To calculate the standard deviation firstly we will use mid point.

Q: Use the display of data to find the standard deviation (do not round until the final answer, then…

A:

Q: Assume the selling prices of homes in a particular community follow a normal distribution with a…

A: GivenMean(μ)=263100standard deviation(σ)=43200

Q: lare wages and standard deviation of all the workers taken together. aieard deviation (in Rs.) in…

A: