You may need to use the appropriate appendix table or technology to answer this question. It is known that the population variance equals 524. What is the sample size that needs to be taken if the desired margin of error is 4 or less with 0.95 probability? O 125 O 126 O 503

Q: Need help please. Determine " the value of parameter, number of statistic, and the state of the…

A: Given that n=30 μ0=12,500x¯=10,000s=2000

Q: what is the sample variance and estimated standard error for the following sample? n=16 with ss=540

A: The sample size is 16, and sum of squares is 540. The sample variance is, s2=SSn-1=54016-1=54015=36…

Q: Calculate the sample variance of the following score? 5,5,5,5,5

A:

Q: Calculate ss, variance, and standard deviations for the following population of N= 7 scores:…

A: It is given that, scores: 8,1,4,3,5,3,4 And N=7 Mean can be calculated as: Mean (x̅) = sum of all…

Q: A. What is the pooled variance? (Hint: you must first find the variance for each Group.) B. What is…

A: Given that: Group A Group B 12 10 10 9 7 4 7 3 8 5 5 4 n = n1 = n2 = 6

Q: Calculate SS, variance, and standard deviation for the following population of N = 5 scores: 2, 13,…

A: The SS can be calculated as: SS=∑i=1n(Xi-x¯)2      x¯= 2+13+4+10+65        = 7SS  = (2-7)2+ (13-7)2+…

Q: Find the range, variance, and standard deviation for the given sample data, if possible. If the…

A: Given data indicates the phenotype codes where 1=smooth yellow, 2=smooth green, 3=wrinkled yellow…

Q: The larger the sample size, the smaller the standard error. True or Fale?

A: Given that, The larger the sample size, the smaller the standard error.

Q: Which of the following factors has a direct relationship with sample size in an attributes sampling…

A: In audit procedures, we use a special statistical process known as attribute sampling in order to…

Q: Estimate the the sample variance

A: Given, n=6 α=1-0.80=0.20 The sample mean and than the sample  variance is obtained as-…

Q: Given the desired margin of error, population standard deviation, and level of significance, we use…

A: Solution

Q: Compute the SS for the following sample. Then, compute the sample variance and standard deviation.…

A: The mean of the sample 1,3,1,1 is  mean ( x̄ )=(1+3+1+1)/4 =1.5 The sum of square (SS) can be…

Q: What is the variance of the following population of scores? scores: 5,2,5,4

A:

Q: 2. Given the mean age of 15 children in the table below is 3.4, determine the sample variance and…

A: The mean age of 15 children are given , we have to find the sample variance and the standard…

Q: Calculate SS, variance, and standard deviation for the following population of N=5 scores: 2, 13,…

A:

Q: What is the population variance and standard deviaition of the following data? 3, 6, 10, 12, 14

A:

Q: Find the​ range, variance, and standard deviation for the given sample​ data, if possible. If the…

A: For the given data Range = Maximum - Minimum = 4 - 2 = 2 Mean = (sum of all observations)/ (total…

Q: 2. You have following observations -1.5, 2.6, 1.2, -2.1, 0.1, 0.9. Find a sample mean, a = variance,…

A: x (x-xbar)^2 -1.5 2.89 2.6 5.76 1.2 1 -2.1 5.29 0.1 0.01 0.9 0.49

Q: If the variance is 140.2, what is the Standard deviation from the following? O a. 16.56 O b. 11.84 O…

A: Given data,Variance=140.2Standard deviation=?

Q: Compute the variance and standard deviation of the sample data shown below. 11 8 7 10 5 8 14 O The…

A:

Q: Which of the following sampling methods does not lead to the samples that can represent population?…

A: Solution Answer. 13) Convience sampling   Because the convenience sampling may not be a random…

Q: consider the data for Fred's caloric intake. 2000   2200   2100   2400   2500   1900   2200   2200…

A: The formula to find the sample variance is given below:

Q: The symbol for samples variance is s.  a. True  b. False

A:

Q: Calculate SS, variance, and standard deviation for the following sample of n = 4 scores: 7, 4, 2, 1.…

A:

Q: Find the sample variance and standard deviation. 19, 13, 2, 9, 11 O

A: 19 361 13 169 2 4 9 81 11 121

Q: following data, calculate the variance of X (sample variance).

A: The sample mean is, X¯=∑Xn=426=7 The sample means is 7.

Q: What is the importance of getting a sample from a population? When and why is it necessary?

A: The population is defined as a large group in which the units involved have the same…

Q: For the following set of scores 6,2,3,0,4, If the scores are a sample, what are the variance and…

A:

Q: If the sample size is n = 2 and the population variance is o =7.75, what is the variance of the…

A: NOTE-AS PER GUIDELINES I HAVE CALCULATED FIRST MAIN QUESTION ONLY

Q: If you have a sample of n=25, what is the standard error if the population standard deviation =60

A:

Q: Compute the population variance  for the following sample data, assuming the sample comprises the…

A:

Q: Two accounting professors decided to compare the variance of their grading procedures. To accomplish…

A: Null and alternative hypotheses: The hypothesis, which is pre assumed as true, tentatively settled…

Q: In order to estimate the difference between the average Miles per Gallon of two  different models of…

A: Independent samples t-test is done to test the significance difference between population means.

Q: Calculate the pooled estimate of variance for a population based on the following summary…

A: It is given that the sample sizes are 164 and 87.

Q: Calculate SS, variance, and standard deviation for the following sample of n=5 scores: 2,9,5,5,9

A: Given :  n = 5  Sample Scores =2,9,5,5,9  First find Mean from the given scores :  The mean of a…

Q: Use the magnitudes​ (Richter scale) of the 120 earthquakes listed in the accompanying data table.…

A: Here given the data of magnitudes of 120 earthquakes. need to find the range variance and standard…

Q: The number of regular season wins for 10 college football teams in a given season are given below:…

A: x x2 2 4 10 100 15 225 5 25 13 169 10 100 15 225 9 81 7 49 4 16 --- ---…

Q: How to find the sample variance and standard deviation.   22 11 5 8 9

A: The mean of the given numbers is obtained as follows:

Q: Two samples of scores on a survey are as follows: Sample A: 107 6 8| 7 |9 Sample B: 18 310|112 7 27.…

A: We have given that,  The data of sample B is,  18, 3, 10, 1, 12, 7 Then,  We will find the variance…

Q: Find the range, variance, and standard deviation for the given sample data, if possible. If the…

A: Use EXCEL Procedure to obtain the values of range, variance and standard deviation   Follow the…

Q: Find the range, variance, and standard deviation for the given sample data, if possible. If the…

A: The data set is given as 2, 1, 2, 1, 4, 3, 4, 1, 2, 2, 2, 1, 1, 2, 2, 2, 1, 2, 2, and 2.

Q: Given the sample data below, use the defining formula to compute the sample standard deviation. 21…

A: Given data,   21,17,32,12,22,12   Sample standard deviation =?

Q: Using the given data sample below, compute the following statistics: 9, 17, 13, 15, 8, ,8 , 9, 3 1.…

A:

Q: If the standard deviation is 9, then what is the variance? 3.

A: Variance is square root of standard deviation

Q: Consider the following data: −10, −10, 0, 3, −10, 3, 3  Step 1 of 3: Calculate the value of the…

A:

Q: . If the coin is tossed 80 times, determine P(0.45 < p < 0.55). In solving this part, answer the…

A:

Q: Find the range, variance, and standard deviation for the given sample data, if possible. If the…

A:

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.