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Unit 4 Assingment Ps220 Essay

269 words - 2 pages

Please write your responses to the discussion board on the provided template. Copy and paste your work to the discussion board as a response to the prompt. Please remember
Use of unoriginal text and excessive quotes indicates a lack of comprehension and shows that you may not have mastered the concepts.
To show mastery of the concepts be sure that everything is in your own words! If you have any questions please don’t hesitate to ask!

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The quantitative variable you will be analyzing is cholesterol.
Explain the variable

The selected variable measures the Cholesterol (in MG) of each male in the exam.
Present descriptive statistics
Summary statistics:
Column | n | Mean | Variance | Std. dev. | Std. err. | Median | Range | Min | Max | Q1 | Q3 |
CHOL | 40 | 395.225 | 85504.64 | 292.41177 | 46.23436 | 282.5 | 1221 | 31 | 1252 | 155.5 | 625.5 |

Summary statistics:
Column | n | Mean | Variance | Std. dev. | Std. err. | Median | Range | Min | Max | Q1 | Q3 |
WT | 40 | 172.55 | 693.11949 | 26.327163 | 4.1626899 | 169.95 | 117.6 | 119.5 | 237.1 | 152.2 | 190.1 |

Identify best statistic

Which measure of central tendency (mean, median or mode) do you think best describes the data set? Fully explain your answer.

Explain standard deviation
Explain what the standard deviation tells us about variation in our data.

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