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NSG 522 Pre Midterm Questions and Correct Answers | Latest Update
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Frequencies Just the count or number of observations in each category. Abbreviated as 'n' or 'f' Relative Frequency The number of times a particular observation occurs divided by the total number of observations. Frequency Distribution A summary of the numerical counts of the values or ...

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  • October 3, 2024
  • 40
  • 2024/2025
  • Exam (elaborations)
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  • nsg 522 pre midterm questions and correct answers
  • frequencies just the count or number of observat

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1 | P a g e | © copyright 2024/2025 | Grade A+




NSG 522 Pre Midterm Questions
and Correct Answers | Latest
Update
Frequencies


✓ Just the count or number of observations in each category.

Abbreviated as 'n' or 'f'




Relative Frequency


✓ The number of times a particular observation occurs divided by the

total number of observations.




Frequency Distribution


✓ A summary of the numerical counts of the values or categories of a

measurement.




Cumulative Frequency


✓ The number of observations with a value less than the maximum value

of the variable interval.




Cumulative Relative Frequency


Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ A number calculated by adding together all the relative frequencies

less than or equal to the selected upper limit point.




Central Tendency


✓ An indicator at the center of the data.




Mean


✓ The arithmetic average of the observations




Median


✓ The center or middle of the observations when observations are

placed in order from smallest to largest




Mode


✓ The most commonly occurring number in the data




Measures of spread


✓ The spread or dispersion of observations around the mean




Statistical Range



Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ The difference between the maximum and minimum values in a

distribution. Reported as a single number




Epidemiological Range


✓ The smallest and largest values of the observations. Reported as two

numbers




Percentiles


✓ The percentage of observations that fall below a certain value




Quartiles


✓ The values for which 25% (Q1), 50% (Q2), and 75% (Q3) of the

observations fall below.




Interquartile range


✓ The difference between the first (Q1) and third (Q3) quartiles




Standard Deviation


✓ The average distance that values in a distribution are from the center.




Z-Scores

Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ A measure that indicates how many standard deviations a value is

from the mean value.




Normal Distribution


✓ A probability distribution in which the mean, median, and mode are

equal with a bell-shaped distribution curve




Outliers


✓ An extreme value of a variable, one that is outside the expected

range. Defined as a value that is more than 1.5x the interquartile range

above or below the edges of the box.




Shapiro Wilkes Test


✓ A test for presence/absence of normality to determine what type of

statistics can be used. If the p-value is > or = to .05, there is NOT a

statistically significantly difference in distribution = a NORMAL

DISTRIBUTION.

If p-value is < .05, there is a statistically significant difference between the

distribution of the variable. NOT NORMAL DISTRIBUTION




How nominal data can be summarized using descriptive statistics



Master01 | October, 2024/2025 | Latest update

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