Find the stansard deviation of the data summerized in the given frequency distribution.  The test scores of 40 students are summerized in the frequency distribution below. Find the standard deviation. Score Students 50-59 6 60-69 6 70-79 5 80-89 6 90-99 17

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

A: mean = x̅ =Σf*M/Σf

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 distribution are 90 and 6.5 respectively. Find the coefficient…

A:

Q: The distribution of the number of hours that a random sample of people spend doing chores per week…

A: To find: 1.Sample mean 2. Sample standard deviation

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integer…

A: Use EXCEL Procedure for finding the values of range, standard deviation and variance.   Follow the…

Q: E Click the icon to view the data table. The sample mean square footage is square feet. Housing Data…

A: Given data, Classes Lower limit Upper limit Mid point (M) Frequency(f) M*F 0-499 0 499 249.5 8…

Q: Find the standard deviation (rounded to the nearest unit) for the data indicated

A: We have to find the standard deviation based on the given frequency distribution.

Q: Find the range and standard deviation of the set of data. 260, 262, 264, 266, 268, 270, 272 O

A: Given data, 260,262,264,266,268,270,272 Range=? Standard deviation=?

Q: The grades for 30 students on the most recent exam are given in the data table below: 90 60 60 80 90…

A: Median is the middle most value. For a set of n observations, x1, x2, ... , xn with frequencies f1,…

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A:

Q: The sample mean is x=nothing. ​(Round to one decimal place as​ needed.) The sample standard…

A: Here we have to create the frequency distribution and find the following,l 1) The sample mean 2) The…

Q: Value | Frequency 27 96 58 3 54 4 18 7

A:

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

A:

Q: The side-by-side dotplot below displays the arm spans, in centimeters, for two classes. Which…

A: Stem and leaf is the graphical representation of the data. Here we divide the data into two parts…

Q: 8. The following frequency distribution table is for 50 students who took a competency test. The…

A: Frequency Histogram:

Q: B/ Classify the following data into a frequency table (take number of classes = 6). Then, sketch the…

A: Introduction :  Frequency polygon:    For an ungrouped data type the frequency polygon can be…

Q: The following frequency distribution analyzes the scores on a math test. Find the class boundaries…

A: Given :-   scores number of students 50-59 2 60-69 4 70-79 6 80-89 15 90-99 5   we…

Q: (a) Determine the mean and standard deviation of each data set. The mean of the data set for bond…

A: For Bond Mutual fund  given data is  3.2,1.8,1.9,3.4,2.4,2.7,1.6,2.0

Q: Q1: Construct a frequency distribution and also find out cumulative frequencies and relative…

A: Given data is…

Q: Speed (miles per hour) Frequency 42 - 45 46 - 49 50 - 53 54 - 57 58 - 61 29 16 The mean of the…

A: We have given that data  I want to find mean.  Mean = sum of all observations/total number of…

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A: It is given that the ages of a random sample of shoppers at a gaming store.

Q: 1. The following table shows the high temperatures over the last few days. Find the mean, median,…

A:

Q: Prepare a frequency distribution table with a column for intervals and frequencies. Use five…

A: Prepare a frequency distribution table with a column for intervals and frequencies. Use five…

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

A: The actual mean is 47.4Speed(miles per hour)42-4546-4950-5354-5758-61Frequency2315642

Q: Using your calculator, find the range and standard deviation, round to The table below gives the…

A: We know that Range : It the difference between the maximum value of the data set to the minimum…

Q: 2000 5 2001 2002 2003 4. 2004 2005 2006 2007 3 4. Find the mean, median, mode, standard deviation…

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Q: Determine the range, mean, and standard deviation of the data set. (9,5,9,17,17,16,3,8) The range is…

A: Given data set is 9,5,9,17,17,16,3,8sample size(n)=8

Q: Use the following data for this exercise: 15 34 46 36 34 28 52 28 a. Calculate the mean, the median,…

A: Sample size  = n = 8. Data: 15, 34, 46, 36, 34, 28, 52, 28.

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: The Z-score of a normally distributed random variable X, with mean µ and standard deviation σ at the…

Q: The table represents the number of minutes of commercials during hour- long TV shows. Find the…

A: Given that Table for no. of minutes of commercials during hour long TV shows. No. of mins 12 13.5…

Q: The number of trout caught by Professor Sokol each year for the last 10 years is given. 48     61…

A:

Q: Frequency The table shows the magnitudes of the earthquakes that have occurred in the past 10 years.…

A: Enter the data in Excel.

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: Test Score Frequency 90 80 4 70 60 6 50 3

A:

Q: For each data set, find the measures of central tendency (mean, median, and mode), measures of…

A: Solution-: Given data sets: Data set 1: 18, 15, 21, 16, 15, 14, 15, 21 Data set 2: 22, 35, 28, 29,…

Q: Find the median for the data items in the given frequency distribution. Score, x Frequency, f 4 6. 7…

A: We have given that,  x      f 1     42     13     34     25     26     37     58     2 Then,  We…

Q: The frequency distribution below represents frequencies of actual low temperatures recorded during…

A: Given Number of frequencies n=7

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

A:

Q: 2. Create a Frequency Distribution Table and compute for the Mean, Median, Mode, Variance, and…

A: Central tendency measure used to measure the average of location measure. There are five measures of…