Suppose the average starting salary for a data analyst is $52,000 with a standard deviation of $3,000. What percentage of data analyst make between $46,000 and $58,000? Assume salaries are bell-shaped. A. 0 B. 68% C. 75% D. 89% E. 95% K

Q: he data set below on the left represents the annual rate of return (in percent) of eight randomly…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The mean and standard deviation of a data set are 5 and 7, respectively. If each observation in the…

A: From the provided information, Mean (x̄) = 5 Standard deviation (s) = 7

Q: Find a. the​ mean; b. the deviation from the mean for each data​ item; and c. the sum of the…

A: Given that Data items : 2.50​, 3.60​, 2.70​, 2.30​, 3.90 Sum of data values = 2.50 + 3.60 + 2.70 +…

Q: For a set of data that are distributed in a bell or mound shape, approximately what percentage of…

A: In particular, the empirical rule predicts that 68% of observations falls within the first standard…

Q: If the you were given a set of measurements 9.5 g, 8.5 g,9,1 g, 9.3 g, and 9.1 g, What is the mean…

A:

Q: Which of the following descriptive statistics is a measure of dispersion? a. correlation b.standard…

A: Descriptive statistic is a summary statistics. Descriptive statistic numerically describes the basic…

Q: Use the following data obtained from ages of the last six U. S. Presidents at the time of their…

A: Mean: The mean is the sum of observations divided by the number of observations. that is, Mean = x =…

Q: The average daily points for my fantasy baseball team are {4.1, 5.7, 3.8, 4.7, 4.7, 5.5, 4.1, 2.7,…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: The owner of a minor league baseball team pays the nine starting​ players, the​ manager, and two…

A: x (x-xbar)^2 70 16900 100 10000 135 4225 175 625 185 225 190 100 205 25 210 100…

Q: An article in Computers & Electrical Engineering ["Parallel Simulation of Cellular Neural Networks"…

A:

Q: What is a common way to measure the center of a distribution of data?   a. scatter plot…

A: The objective of the question is to identify a common statistical measure that is used to determine…

Q: Five students took a personality test. Their deviation scores were –4, +3, +1, –2, +2. Assuming that…

A: We have given the following deviation scores were –4, +3, +1, –2, +2 coming from a normal…

Q: What is the variation, standard deviation, and standard error of the following data set: 1.68,…

A: Given data is 1.68,1.57,1.63,1.77,1.55,1.68,1.60,1.68,1.59,1.63,1.63sample size(n)=11

Q: Angela polled her first grade class about their family pets. The following data lists the number of…

A:

Q: Given that a data set has the following data values: 2, 4, 6, what would be the standard deviation?…

A: We have given that,  The data set are : 2, 4, 6 Then,  We will find the standard deviation (s) = ?

Q: What is the center of {0.1, 0.3, 0.02, 0.09, 0.4, 0.05, 0.26}? [ Select ] A. What is the mean of the…

A: Dear student since the policy is to answer first 3 subparts so kindly repost the other.

Q: The upper 50% of the data on this graph is within how many standard deviations from the mean?…

A: Given graph: The histogram indicates the distribution is approximately normally distributed.

Q: Use either your graphing calculator or Table A.2. Round to 4 decimal places if necessary. The birth…

A: Given: Population mean μ=7.46 Population standard deviation σ=1.8 Consider X be the random variable…

Q: Calculate the standard deviation of students' study time: Number of Hours Number of Students…

A:

Q: he highway mileage (mpg) for a sample of 8 different models of a car company can be found below.…

A: The given sample is 30, 35, 22, 19, 29, 35, 27, 26.

Q: A statistician was exploring a set of data representing a group of 121 women.  The mean was 49 and…

A: Sample size, n = 121 Mean = 49 Variance σ2 = 9 We have to find the standard deviation.

Q: Suppose that wedding costs in the Caribbean are normally distributed with a mean of $6000 and a…

A: Note: Hey as per our honor code i can answer only three sub parts. Thanx

Q: Use the table to find the standard score and percentile of the following data values. a. A data…

A: We will use the given table to solve the problem.

Q: In a normally distributed population, one standard deviation from the mean most likely represents…

A: In a normal distribution, about 68% of the data falls within one standard deviation of the mean,…

Q: The following data values represent the daily amount spent by your family during a seven day summer…

A: Standard deviation= √E(X2)-((E(X))2 E(X)= (summation Xi)/n E(X2)= (summation Xi2)/n Sample size is…

Q: A given data set is normally distributed and has a mean of 25 and a standard deviation of 3. What…

A: From the provided information, Mean (µ) = 25 Standard deviation (σ) = 3

Q: Provide an appropriate response. Assume that the salaries of elementary school teachers in the…

A: The objective of this question is to find the cutoff salary for teachers in the bottom 10% of a…

Q: Approximately 6% of American drivers d not text while they drive. Suppose you are working with a…

A: The given situation fits binomial distribution as there are 300 independent trials (300 people),…

Q: Find the range, mean, variance, and standard deviation of the population data set. The numbers of…

A: Given n=11

Q: At a fishery, the largest catches in August were of blackfin tuna, sailfish, blue marlin, and king…

A: Given Blackfin tuna  SD=2.61  Sailfish  SD=4.61 Blue marlin  SD=1.97 King mackerel SD=6.67

Q: 6. Find the mean, median, range, standard deviation, and variance for the given data. Use the…

A: Store the given data in vector X in MS-Excel. X 18 4 12 17 22 6 27 14 We have…

Q: The data set on the left represents the annual rate of return (in percent) of eight randomly sampled…

A: Formula : sample mean : x̄=Σx/n sample variance :

Q: The standard deviation of a data set is zero. This means that a. All the values are equal to zero b.…

A:

Q: elect ALL the ways that variation in the data can be measured below. A. The mean of the data B. The…

A: We have to find ways that variation in the data can be measured

Q: The three data sets listed below have the same mean and range. Compute the standard deviation for…

A: The given data sets are: Data set 1 Data set 2 Data set 3 5 5 5 7 6 5 9…

Q: NCAA Scholarships. The NCAA estimates that the yearly value of a full athletic scholarship at…

A: GivenMean(μ)=19000standard deviation(σ)=2100

Q: Which data set would give the smallest standard deviation? Select one: O a. 100, 150, 200, 250, 300}…

A: Without using any formula for the standard deviation, we can determine which of them has a smallest…

Q: Find the standard deviation for the following data set. ​2, 2,​ 2, 5,​ 5, 6,​ 6, 8,​ 8, 9   A. 2.49…

A:

Q: The salaries of 1200 pro athletes form a normal distribution with a mean of $79,000 and a standard…

A: For the distribution of the salaries (in $) of 1200 pro athletes, which is defined to be normally…

Q: Which of the following data sets has the smallest standard deviation? a. 1, 2, 3, 4, 5 b.…

A:

Q: because it is representative of the entire data set. b. mean= 13,156; median= 12,700; mode= 3,628;…

A: Here is the solution

Q: Applications Problems According to a Sallie Mae survey and credit bureau data, in 2008, college…

A: Mean()=$3173Standard deviation()=$800