A dataset that contains credit card balances has a population mean of $2870 and a population standard deviation of $900.  You randomly select 81 credit cards.   What is the standard error for the sampling distribution of the sample mean?  (give answer as a whole number / integer)

Q: 1) Which sample will have the larger mean number of books read? 2) Which sample will have the larger…

A: The given histogram is:

Q: The population standard deviation and sample standard deviation are of the same value if the…

A: Solution A population and sample standard deviation both have same unit as Population unit.

Q: Find the sample variance and sample standard deviation for the sample data 21,17,13,25,9,19,6 and 10

A:

Q: With the aid of a table, find the sample Standard Deviation of the following dataset: X = {2.2, 4.7,…

A:

Q: Find the range, variance, and the standard deviation of the following data set. 10, 17, 13, 12, 15,…

A: Descriptive statistics can be used for explanatory data analysis purposes. This reveals the basic…

Q: Find the sample standard deviation. Round to the nearest tenth.   22 29 21 24 27 28 25 36

A: By using the given information, we have Data set = { 22 ,29, 21, 24 ,27, 28 ,25 ,36 } Total number…

Q: Consider the data set {6,3, 2, 9, 3}. What is the population standard deviation for this set? Round…

A:

Q: Twenty-nine percent of adult Internet users have purchased products or services online. For a random…

A: It is given that 29% of the users purchase online. Therefore, probability of a randomly selected…

Q: The top 15 2018 Congressional race contenders (out of 24) in NJ who raised the most money reported…

A: Given data: 7.0, 1.2, 6.4, 5.4, 2.1, 4.4, 2.9, 2.3, 1.75, 1.6, 1.5, 1.5, 1.4, 1.1, 0.8.

Q: A data set is formed by recording the sums in 400 rolls of a pair of a dice. A second data set is…

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

Q: A pharmaceutical company claims that a drug is effective in treating 90% of people having severe…

A: It is given that the random variable follows a binomial distribution with n=6 and p=0.9.

Q: Calculate the sample mean and the sample standard deviation to the nearest hundreths.

A: Given: X 0.5 1.75 2 2.25 2.25 2.5 2.75 3.25 3.75 3.75 4.25 4.25 4.25…

Q: Find the sample variance and the sample standard deviation for the given data set:  12, 36, 28, 14,…

A:

Q: Twenty-five percent of commercial airline accidents are caused by bad weather. If 300 commercial…

A: The mean of the binomial random variable obtained by the formula μ=np, where (n) is the number of…

Q: Compute the mean, median, Variance, and the standard deviation for the data below: 3,2 ,3, 4, 3…

A:

Q: The operation manager at a tire manufacturing company believes that the mean mileage of a tire is…

A: The sampling distribution of sample mean follows the normal distribution, if the population is…

Q: The population standard deviation and sample standard deviation are of the same value if the…

A:

Q: A dozen banks reported the following sales of gold (in ounces) for the week of February 1, 2021…

A: The data of sales of gold is, 685, 857, 973, 495, 453, 892, 1173, 743, 1244, 797, 852, 931 The mean…

Q: Find the mean, variance, and standard deviation for the number of sixes that appear when rolling 40…

A:

Q: A marketing researcher for a phone company surveys 184 people and finds that the proportion of…

A:

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: A history class has 75 members. If there is a 12% absentee rate per class meeting, find the mean,…

A: It is given that n is 75 and p is 0.12.

Q: A hypothetical distribution for a population of test scores has a mean of 60.4, a median of 62.8,…

A: According to the given information in this question We need to find standard deviation of sampling…

Q: The number of people standing in the line to vote at the last Presidential Election at 7:00 P.M. was…

A: In statistics, three measures of central tendency are widely used. These three measures are also…

Q: According to a study conducted by NASA, the average breadth of an adult man's hand is 3.5 inches.*…

A: Formula for z score is as below :

Q: What is the standard "z" value corresponding to the sample mean 90 in a distribution with population…

A: Option C is correct. Given

Q: Suppose a population has three values 13, 17 and 24. What is the standard deviation of the sampling…

A: Given, Population values are 13, 17 and 24. Samples are drawn without replacement.

Q: What is the difference in meaning between the Standard Error of the Mean and and the Standard…

A: In statistics, a sample mean differs from the population's real mean; this difference is known as…

Q: If the variance is 4.1 grams, what is the standard deviation?   Multiple Choice   1.100   2.025…

A: Given that, Variance = 4.1 grams

Q: What is the standard deviation of the following sample data? 38,27,39,29,41,42

A:

Q: In a statistics class, 10 scores were randomly selected and the following results were obtained: 74,…

A:

Q: if the sample mean is 10, the population standard deviation is 20, and the sample size is 25, then…

A:

Q: Does the sample size have an effect on the standard deviation of all possible sample means? Explain…

A: Points on sampling distribution of the sample mean: If the true population distribution of a random…

Q: Six different​ second-year medical students at Bellevue Hospital measured the blood pressure of the…

A: Given 126,138,132,138,124,122

Q: In a statistics class, 10 scores were randomly selected, and the following results were obtained:…

A: Mean: It is the sum of the total observations divided by the total number of observations. Range: It…

Q: The Department of  Administration surveyed recent graduates to get information on their starting…

A: We want to find the point estimate of standard deviation

Q: Suppose this average cost was based on a sample of 55 persons who had been involved in car crashes…

A:

Q: Find the sample variance and sample standard deviation for the sample data 21, 17, 13, 25, 9, 19, 6…

A: Here, x x-x (x-x)2 21 6 36 17 2 4 13 -2 4 25 10 100 9 -6 36 19 4 16 6 -9 81 10 -5…

Q: Thirty-two percent of adult internet users have purchased products or services online. For a random…

A: Obtain the mean for the number who has purchased goods or services online.   The mean for the number…

Q: Find the standard deviation for the given sample data. 2, 5, 9, 13, 17, 20

A: Solution-: We find the standard deviation of the given data

Q: Find the range, MAD, variance, and standard deviation of the following grouped data?

A: The objective is to find range ,MAD, variance,SD. of given grouped data

Q: The average speed of 1500 vehicles traveled on a stretch of highway that day is 67 miles per hour…

A:

Q: 4. The variance of a data set is 3410.56. Find the standard deviation for the data set.

A:

Q: If the population standard deviation is 20 and the sample size is 25, then what is the value of the…

A:

Q: If the mean height of a full-grown Wookie is 83 inches with a standard deviation of 4 inches, what…

A: Mean=83 Standard deviation =4 Z score =? For x=88

Q: hospital stay

A: Mean: It represents the average of the given collection of data. Median: Generally median represents…

Q: In sample standard deviation,(n - 1) is called degree of freedom, why?

A: The average of the sample variances for all possible samples must be equal to the population…

Q: A city took a survey of 1,550 households to find out how many televisions each owned. The mean was…

A: The margin of error helps in determining the fall of the sample mean within the decided range of the…

Q: A fitness instructor at a large gym would like to know if the individuals that take fitness classes…

A: Morning steps mean should be greater than Evening

Q: What is the sample mean? What is the standard deviation?

A: Use EXCEL Procedure for finding the value of sample mean.   Follow the instruction to obtain the…

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.