8. The age of 8 toddlers were recorded. The following data list indicates the toddlers' age...
The following data was recorded for the "Age" of the various participants in a sports activity at a community centre. Age: 20 32 36 37 29 20 27 30 25 37 22 20 20 36 38 32 35 25 24 32 20 27 23 26 28 Use MiniTab to obtain the answers to following questions and draw the required diagrams. a. Find values of Mean, Variance and Standard Deviation using MiniTab. Simply write down the actual formulas for these three...
The following set of data is from a sample of n=6. 8 2 7 8 10 11 a. Compute the mean, median, and mode. b. Compute the range, variance, standard deviation, and coefficient of variation. c. Compute the Z scores. Are there any outliers? d. Describe the shape of the data set.
Consider the following sample data values. 3 17 1 19 13 8 18 11 a) Calculate the range b) Calculate the sample variance. c) Calculate the sample standard deviation. a) The range is 18 b) The sample variance is (Round to two decimal places as needed.)
1. The following data represent the age of first arrest for a sample of 50 boys. X (age) f cf % c% 9 1 1 2% 2% 10 9 10 18% 20% 11 10 20 20% 40% 12 5 25 10% 50% 13 7 32 14% 64% 14 4 36 8% 72% 15 7 43 14% 86% 16 5 48 10% 96% 17 1 49 2% 98% 19 1 50 2% 100% Σ 50 100 a. What is the mode,...
1. Consider the following sample data: (2, 5, 12,19,21,25 38, 52,65, 69,99). Calculate the following using appropriate symbols when possible. a. Mean: b. Median: 2/S C. Standard Deviation: 21.3° ะ d. Variance: 30.78 =52 e. Range: 7 f Midrange 8. Q1: 2 i. Q3:し Lower fourth: 2 3 k. Upper fourth: I. Fourth spread: m. IQR: n. Coefficient of Variation:
Round to 4th decimal place, if needed A data set is as the following 8 1012 12 1214 14 141414 16 16 18 18 20 20 20 22 30 35 What is the mean? 2.What is the median? What is the variance, if this is a sample? What is the variance, if this is a population? Does it skew? (Right, Left, or Not) 5. A sample set is as the following with a missing value x110 12 12 12 1414...
Age, Deviation, Squared Deviation, Frequency, Frequency x
Squared Deviation
EXERCISE #2 You fill in the 3rd column of this table. The first entry is done for you. Commas are not necessary. Frequency Table for Data Set B Age (years) Frequency Age x Frequency 18 19 20 21 1782 105 45 31 12 28 10 15 16 1995 900 651 23 24 25 26 27 28 29 30 31 35 644 2 40 3 75 416 2 16 280 2 32...
2. Professor Antonia Giovanni from Colorado State University collected the following age data from a sample of six students from her Principles of Philosophy course: 21, 27, 35, 29, 20, and 36. (a) Compute the range. (b) Compute the variance. (c) Compute the standard deviation.
The following data were collected as part of a study of coffee consumption among medical students. The following reflect cups per day consumed: 3 4 6 8 2 1 0 2 First, put the data in order from lowest to highest: 0, 1, 2, 2, 3, 4, 6, 8 This will help you to find the median and the quartiles! 1) Compute the sample mean and round to one decimal place (see page 100). ____ 2) Compute the sample median...
Column A contains a generic dataset. Column C is a list of
questions that correspond to the questions below. Column D
indicates which Excel function(s) that question is designed to
teach. Column E is where you will work with the function(s) to
generate the answer to each question. And finally Column F displays
the formula you used to generate your answer in Column E.
To place your answers from Column E into the blanks below, use
the copy/paste keyboard shortcut:...