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Find the sample mean from the frequency data given below Class Limits Frequency 10-15 2 15-20...
1) Given that the Number of class is 3 Find the Frequency Table (Class Limits, Class Boundaries, Midpoint, etc....) and Draw the Histogram of the following data: 1 2 3 5 6 3 1 6 1 2 7 6 5 4 6
Find the standard deviation, s, of sample data summarized in the frequency distribution table given below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the lotal number of sample values. Aiso, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 9.0. [Σ.)-Συ.) nin-1) 60-59 25 60 49 70-79 Interval 20-29 30-30 4040 10 Frequency 20 36 (Round to one decimal place...
Assume this is a population of data CLASS MIDPOINT FREQUENCY 0 and under 105 4 15 25 35 10 and under 20 20 and under 30 4 30 and under 40 Determine the standard deviation using Sheppard's Correction. (Usr four points of percision.) Assume this is a population of data CLASS MIDPOINT FREQUENCY 0 and under 105 4 15 25 35 10 and under 20 20 and under 30 4 30 and under 40 Determine the standard deviation using Sheppard's...
1. Given the following data: years 0-9 10-19 20-29 frequency 4 6 8 a. Identify lower class limits b. Identify upper class limits c. Identify the class boundaries 2. Given the following data: Cigarette CO (mg) Frequency 2-6 7-11 2 12-16 6 17-21 8 a. Identify the class width b. Identify the class midpoints c. Does the frequency distribution appear to have a normal distribution? 3. Histogram Cigarette Tar Frequency Table Tar (mg) Freq. 2-5 6-9 2 10-13 6 14-17...
Given the class limits below, which list gives the class midpoints? 1-5, 6-10, 11-15, 16-20, 21-25 1. 3.5, 8.5, 13.5, 18.5, 23.5 2. 2.5, 7.5, 12.5, 17.5, 22.5 3. 3, 8, 13, 18, 23 4. 2, 7, 12, 17, 22
1) Find the percentage of data within 2 sample standard deviations from the mean: (12,14,67,46,35,84,67,85,93,104 2) Find the sample mean and the sample standard deviation, and determine the skew of the data set: 01112355689 1133466899 2122556788999 3133888 3) An extreme outlier is defined to be any value outside of 3 standard deviations from the mean. Does the following data have any extreme outliers? (4,33,45,75,27,66,101,151,133,279) 4) Suppose that a data set has the following 5-number summary: min 0, Qi 5, Med=5,Q3=5,max...
1. Construct a frequency distribution for the following data. Use a first lower class limit of 10 and a class width of 5: 12, 14, 16, 13, 25, 30, 14, 24, 22, 16, 18, 11, 23, 27, 24, 17, 21, 18, 16 B. Frequency Frequency Interval 10-15 15-20 20-25 25 - 30 30-35 Interval 10 - 14 15-19 20-24 25-29 30 - 34 5 Frequency Interval Frequency 5 - 145 15-24 11 - 25-34 3 Interval 10-14 15-19 20 -...
IB math studies please i need help!! Review Set 2 random sample of 200 females measured the length of their hair in cm. The results are displayed in the cumulative frequency curve below. 2. A 200 175 150 125 100 75 50 25 0 5 10 15 20 25 30 35 40 45 50 length (em) Write down the median length of hair in the sample. (a) (b) Find the interquartile range for the length of hair in the sample....
Approximate the sample standard deviation given the following frequency distribution. Class Frequency 0 4 17 5 9 16 10 14 15 19 18 20 24 17 7.4 55.9 55.2 7.5 Approximate the sample standard deviation given the following frequency distribution. Class Frequency 0 4 17 5 9 16 10 14 15 19 18 20 24 17 7.4 55.9 55.2 7.5
2. Given the following frequency distributions, compute X, 8, S. Class limits Frequency f . Class middle point Xi (X-X) xf (X-X) Xi x fi X:-X 1-5 6-10 11 - 15 16 - 20 XXIX 21X.-X)" x1 = Σ Xi xfi X=-- Σή Z(Xi-X) x fi SP=. fi - 1 S=vs