The times in (minutes) taken to complete a 200 metre run by 40 students during their training sessions are as shown in the following table: A. 9.26 OB. 8.82 Time (minutes) Number of students 2 9 15 11 3 Calculate the estimate for the standard deviation. O C. 10.08 D. 10.59 20-30 30-40 40-50 50-60 60-70

Q: Give the range Give the standard deviation

A:

Q: 3 Calculate the Standand deviationA 25 vand to hundredths. 16/719

A: Concept : The standard deviation of a data is σ = 1N∑i=1i=Nxi-μ2    where xi is given data and N is…

Q: 2. Given the following frequency distribution. Class Interval f 245 - 264 225 - 244 4 11 205 – 224…

A:

Q: Find the mean, standard deviation, and standard error of the mean for the following data set of…

A: Given data: 52,54,51,55,52 n = 5

Q: For the given speed information in the table below, find the standard deviation and the ?85th…

A: Speed Frequency x d=x-49.9 f.d f.d2 36-39.9 3 37.9 -12 -36 432 40-43.9 7 41.9 -8 -56 448…

Q: f. Find P(X ≤ 5.89) g. Find P(X ≥ 4.59) h. Find P(4.39 ≤ X ≤ 5.60)

A: Given From given graphMean(μ)=5.2standard deviation(σ)=0.5

Q: 20. Find the mean and standard deviation of the following data:

A: Class Frequency 1 - 5 2 6 - 10 5 11 - 15 2 16 - 20 1

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: In grouped data, observations are clustered into groups. The groups and the corresponding…

Q: Calculate: 1. The error in both sets of numbers by calculating the standard deviation. 2. The error…

A: S.noXY124190227184323188427185525183626186

Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

A:

Q: R Use excel to calculate standard deviation Use excel to calculate mean

A: We have to calculate mean and standard deviation of the data.

Q: For items 11-15, refer to the data below: A population consist of five (5) measurements 2,3, 5, 6…

A: We have given that data 2,3,5,6,7 Mean = sum of all observations/total number of observations…

Q: General Directions: Answer the folowing problems comprehensively. Write your answers on a clean…

A: According our policy we can answer only first three subpart for remaining please repost the…

Q: For the following calculate mean deviation using median. Height 55 56 57 58 59 60 No of Boys 25 40…

A: Answer is 0.9667

Q: At a production plant manufacturing hazelnut cocoa spread, a sample of 5 jars was taken every 10…

A: From the given information, The x-bar chart is, Conditions: If the sample mean values lies between…

Q: i. Find the standard deviation. ii. Draw a histogram. Class interval 100-124 125-149 150-174 175-199…

A: Given

Q: What is the sample mean of SAT-V? (Round to the hundredth place if it is necessary.) 2. Can the…

A:

Q: 7. The following table shows the returns of an energy sector ETF. What is the Mean Absolute…

A: We have given information about the return of energy sector as follows, Year Energy Sector ETF…

Q: standard deviation of the data

A: From the given sample data : n=5 , ƩX=101.6  , ƩX2=2356.22 We want to sample standard deviation.

Q: Class interval 100-124 125-149 150-174 175-199 200-224 225-249 Frequency, (f) 5 8 16 12 7 2

A: Given data: Class interval Frequency (f) 100-124 5 125-149 8 150-174 16 175-199 12…

Q: Calculate the standard deviation of the data shown. x 16.9 19.7 14 17.7 20.6 2.3 24  Round to 2…

A: The given values of are: 16.9, 19.7, 14, 17.7, 20.6, 2.3, 24

Q: Please answer all subs A-E The highway mileage (mpg) for a sample of 10 different models of a car…

A: Arranged in increasing order: S.no. value 1 21 2 24 3 25 4 25 5 31 6 35 7 36 8 40…

Q: Q3: For the data below taken on 150 m section of a road, draw the cumulative frequency distribution…

A: In statistics there are two types of measures namely measures of central tendency and…

Q: What is the expected number of vehicles per household for residents of Ann Arbor? Provide an…

A:

Q: A data set have a mean of 1.7 and a standard deviation of 0.4. Find the value with a z-score of…

A: GivenMean(μ)=1.7standard deviation(σ)=0.4x=1.25

Q: The prices of the tablets in a store have a mean of $735 and a standard deviation of $65. Calculate…

A: Given,   Mean = 735 Standard deviation = 65

Q: The length (in pages) of math research projects is given below. Using this information, calculate…

A: The length of math research projects is given. There are 9 data observations given. Thus, n= 9.

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Obtain the 7th percentile of the distribution.   The 7thpercentile of the distribution is obtained…

Q: Calculate Mean Deviation (from arithmetic average) for the following values. Also calculate its…

A: Data given  4800,4600,4400,4200,4000

Q: The data on height of the female students in a class appears to be approximately normally…

A: The five number summary in descriptive statistics, gives an idea about the shape of your data…

Q: The standard deviation of the given data is A. 1.4495 B. 1.4597 C. 2.1011 D. 2.1307

A:

Q: elect one: a. 2.4  b. 5.8 c. 12 d. 10

A: given n = 6 ∑x = 16 ∑x2 = 72 to find standard deviation

Q: Find the mean and variance and standard deviatio

A: Given: Data 3 3 5 6 8 33 33 35 36 38

Q: Length data for mussels collected at three different depths in Dry Lake. Calculate mean and standard…

A: Excel Procedure:   Enter the data for 1meter, 2meters and 3meters in Excel sheet. Go to Data Click…

Q: Find the standard deviation of X. A. 2.77 B. 2.79 C. 2.81 D. 2.83 E. 2.85

A:

Q: 5. The following figures refer to the times (in minutes) that eight customers spent from the time…

A: Solution-: We find, (a) Arithmetic mean (b) The mean deviation about mean

Q: For the variable AGE, calculate the standard deviation. Respondent Marital Status Age Attitude on…

A: Given sample data provides the information of respondents .  To find standard deviation , use the…