The commute times (in minutes) of 30 employees are listed below 31 41 45 48 52 55 56 55 63 65 67 67 69 70 70 74 75 78 79 79 80 81 83 85 85 87 90 92 95 99  A) what is the standard deviation. Round to the nearest hundredths B) what is the zscore for a commute time of 93 minutes? Round 2 decimal places. Then, STATE THE MEANING of the zscore in this situation.

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: given data, normal distribution , μ=100σ=15we have to find out the shaded region for the given…

Q: (a) Find the harmonic mean from the following: 7 10 1,3. 15 20 25 28.

A:

Q: The scores and their percent of the final grade for a statistics student are given. What is the…

A: The formula for the weighted mean is, Weighted mean=∑wiXi∑wi In the formula, wi is weight of ith…

Q: The tourist bureau of the Hawaiian Islands surveyed a sample of 5 United States tourists as they…

A: GIVEN DATA, sample size n=5sample:10,7,8,6,9standard deviation of the sample is =?

Q: d to the nearest whole number. eight (in pounds) Frequency 135-139 12

A: Mean is defined as the average of the data set that we have under consideration. The following table…

Q: Suppose that,to test the profitability of name changes in the more recent market (the past 5 years),…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: Calculate the standard deviation sales per store using this population data 91, 53, 71, 4, 30, 16

A: We have given that the population data: 91, 53, 71, 4, 30, 16.

Q: A study was performed in an attempt to determine the day of the week when speeding tickets were…

A: Given table Day of the week Frequency Relative Frequency…

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: normal distribution μ = 100σ = 15 P(85<x<110) = ?

Q: What is the Mean of the Men group? how about the Women group?

A:

Q: In a student survey, fifty-two part-time students were asked how many courses they were taking this…

A: Total number of part time students, N = 52 The frequency of student take the course 1 is,

Q: Find the standard deviation of the following exam scores. Round to the nearest hundredth. 63…

A:

Q: Is this a frequency histogram or a relative frequency histogram? Explain. How many class intervals…

A: Given a histogram

Q: The chart below represents the highest grossing weekend box office between August 7th to October…

A: From the given information, Weekend Gross 8.2 8.6 10.9 12.5 28.3 12.6 6.4 2 1.2…

Q: . What is the mean? Round your answer to the nearest tenth. _________________________ B. What is…

A: given data : 15,21,25,16,21,14,13,-1,6,-2,-6,15,16,21,22

Q: Listed below are pulse rates (beats per minute) from samples of adult males and females. Does there…

A: The pulse rates ( beats per minutes) of adult males and females are given. We need to find the…

Q: 18. For the following set of scores: 7564 4 3 89 4 7 5 5 6 947 5 10 6 8 5 6 6 3 4 8 5 a. Construct a…

A: The total number of observations is .The 26 observations are given in the example.

Q: IQs of 7th Grade Students The following frequency histogram represents the IQ scores of a random…

A: Given frequency histogram represents the IQ scores of a random sample of seventh-grade students.

Q: sing the given data, find the following. 10 20 23 26 27 16 24 Identify the five-number summary.…

A:

Q: Consider this data set of (n 117) birth weights in grams that has been sorted. %3D 1545 1607 1870…

A: 16 percentile: Pi=in+1100th term

Q: The table below is a frequency distribution for how much employees spend on health care every year.…

A: The table shows the frequency distribution for how much employees spend on health care every year

Q: The scores and their percent of the final grade for a statistics student are given. What is the…

A: Let the score is : x and corresponding weight is : wNow weighted mean score isxˉ=∑w∑xw​Now from the…

Q: Diameter (cm) Area (cm?) 2 3 4 13 28 10 79 16 201 20 314 26. Describe the general trend of the data.

A: The scatter plot can be obtained using EXCEL software. Enter the values of Dimeter in column A and…

Q: Find Age # Of Tickets Sold 18 35 20 10 22 35 25 145 30 100     Create a relative frequency…

A: From the given data we find the relative frequency table and probability.

Q: Carbon Dioxide Listed below are mean amounts of carbon dioxide concentrations (parts per million) in…

A: In this case, need to plot the scatterplot for linear, quadratic, logarithmic, exponential, and…

Q: speed of 6 cars 70. What the speed Car Corolla Yaris Avalon Elantra Sonata Accent Selots Speed 65 90…

A:

Q: 11

A: Answer is 20.5

Q: Don't drink and drive: A highway safety council reported that there were 3915 fatalities among…

A: Given:

Q: Frequency 2. Describe the following data. 9- 7 5. 4. 3. 2 95 61.5 63.5 65.5 67.5 695 73.5 75.5 77.5…

A: From the given information, it is clear that the histogram of height with its corresponding…

Q: Frequency 24 20 16 N Co 8 4 0 70.5 15 75.5 Prealgebra Exam Scores 16 80.5 14 85.5 Scores 11 90.5 4…

A:

Q: Find the mean of the data from the frequency table: Value Frequency 0 6 1 0 2 6 3 8 4 9 5 6 Give…

A: Mean is defined as the average of the observations . It is very useful in all statistical procedures…

Q: The data below shows the number of credits completed by certain students at a local college. Credits…

A:

Q: The following is the scores of an exam: 40 50 50 52 58 58 62 65 68 72 79 80 80 87 90 96 98 Calculate…

A: Data X: 40,50,50,52,58,58,62,65,68,72,79,80,80,87,90,96,98

Q: Calculate mode, median and Q, for the Monthly rent less than (Rs.) 10 20 30 40 50 60 70 80 Number of…

A: Concentration of all values around the central value is known as measures of central tendency.…

Q: Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is…

A: Lengths (mm)     Frequency   220 - 2291230 - 23916240 - 24971250 - 259108260 - 26983270 - 27918280…

Q: In a student survey, forty-one part-time students were asked how many courses they were taking this…

A: 41 part time students were asked how many courses they were taking this term. So, total number of…

Q: ase in statistics ter

A: Sex N Mean Std. Dev Std. Error Mean Sleep hours/weeknights Male 321 7.5749 1.42558 0.07957…

Q: What's the population standard deviation s? Ơ= 4

A: We have given  Sample mean =18 Sample variance s2=16

Q: Using the given data, find the following. 28 3 15 14 11 22   Identify the five-number summary.…

A: The five number summary includes the minimum, the first quartile (Q1​), the median, the third…

Q: The frequency table below gives the frequency of exam scores rounded to the nearest 5%. Find the…

A: Solution-: We have following table: Percentage (X) Students (f) 65 4 70 8 75 7 80 11 85…

Q: Calculate the standard deviation products sold per store using this sample data 0, 77, 38, -5, 44,…

A: We have given that the sample data 0, 77, 38, -5, 44, 62.

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.