Quantitative Analysis

QUANTITATIVE ANALYSIS Quantitative Analysis Quantitative Analysis Answer 1 a) Largest Smallest Mean 4.17 4.40 Standard Deviation 2.04 2.35 b) Step 1: Square the number of standard deviations: 2.25 Step 2: Dividing 1 by answer to Step 1: 0.44 Step 3: Subtracting Step 2 from 1: 0.56 In view of the above calculation, it is noted that at least 56% of the observations lie within 1.5 standard deviations from the mean that ...

• 724 Words
• 3 Pages
• Click to Read More

Sta1000 Quantitative Analysis

STA1000 Quantitative analysis STA1000 Quantitative Analysis Question 1 Largest Smallest Mean 4.174667 4.398667 Standard Deviation 2.044974 2.348403 Chebyshev's theorem = 1 - 1/k2 = 1 - 1/1.52 = 0.5555 So, the minimum proportion of observations that will lie within 1.5 standard deviations of the mean is at least 55.55%. The results obtained from the COUNTIF command shows that there are ...

• 541 Words
• 2 Pages
• Click to Read More

Basic Statistics

BASIC STATISTICS Basic Statistics Frequency Distributions Basic Statistics Frequency Distributions Standard Deviation Dates Number of Working Hours X - Mean (X - Mean)^2 March 28th 2013 8 hrs 0.31 0.10 March 29th 2013 6.5 hrs - 1.19 1.41 March 30th 2013 7.5 hrs - 0.19 0.04 March 31st 2013 8 hrs 0.31 0.10 April 1st 2013 8 hrs 0.31 0.10 April 2nd 2013 8.5 hrs 0.81 0.66 April 3rd 2013 9.25 hrs 1.56 2.44 April 4th 2013 8 hrs 0.31 0.10 April 5th 2013 4 hrs - 3.69 13.60 April 8th 2013 8 hrs 0.31 0.10 April 9th ...

• 320 Words
• 1 Page
• Click to Read More

Basic Statistics Measures Of Central Tendency

Basic Statistics Measures of Central Tendency Basic Statistics Measures of Central Tendency 1. Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mean retirement age, to the nearest year.                  55   77   64   77 69   63 62 64 85 Solution [55+77+64+77 +69+63+62+64+85] / 9 = 68.44 ~ 68 yrs 2. ...

• 328 Words
• 1 Page
• Click to Read More

Measures Of Central Tendency

Measures of Central Tendency Measures of Central Tendency Introduction Measures of central tendency and distribution of central tendency of the population, an indication of the value of the characteristic in the statistical community, around which are clustered the features of all companies included in this group. Central tendency can be described ...

• 889 Words
• 3 Pages
• Click to Read More

Mixed Methods Research Designs

Mixed Methods Research Designs Mixed Methods Research Designs Introduction There are different approaches and significant methods that used for enhancing the efficiency of the fuel engine cars. Besides gasoline, these cars are also running with other alternative approaches such as hydrogen, biofuels or the electric circuit. Initially, these designs were highly appreciated ...

• 662 Words
• 2 Pages
• Click to Read More

Mathematics

Mathematics Mathematics Introduction Problem has been selected by the author in which an ad for moisturizing lotion made the claim that “… it's the number one Dermatologist recommended brand.” Therefore, in this question the author actually tried to present evidence whether the statement misleading the consumer or not and the claim made ...

• 682 Words
• 3 Pages
• Click to Read More

Quantitative Reasoning - Module 5 Case

Quantitative Reasoning - Module 5 Case Quantitative Reasoning - Module 5 Case Introduction of terms correlations and confounding variables  Correlation The correlation can be defined as the measure of relationship between two constant variables. The correlation signifies the potency and trend of the associated and linked variables. The correlation is calculated for the variables that ...

• 645 Words
• 2 Pages
• Click to Read More

Independent Sample T – Test

Independent Sample T - test Independent Sample T - test Introduction T test for independent samples to test the null hypothesis from two means or from two samples (or subgroups) that are independent. The basis of this test is that whether two means are equal in population-Based on the result of the ...

• 562 Words
• 2 Pages
• Click to Read More

Explaining Why People Vote

EXPLAINING WHY PEOPLE VOTE Explaining why people vote Explaining why people vote Introduction The study relates to why people vote, which is an important phenomena to study as it shows the way towards success. In this context, it is imperative and essential to note that voting is a right of all human beings ...

• 1185 Words
• 5 Pages
• Click to Read More