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BUAL 2600 - Exam 2 - Gramling Questions and Answers 2024/2025 $12.49   Add to cart

Exam (elaborations)

BUAL 2600 - Exam 2 - Gramling Questions and Answers 2024/2025

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  • Course
  • BUAL 2600
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  • BUAL 2600

Measures Central Tendency Mean, Median, Mode Measures of Variation STD Deviation & Variance; Range & IQR Measures of Position Quartiles, Percentiles, Z‐Scores Central Tendency A measure of central tendency represents the center or middle of the data Population Parameter a number c...

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  • October 15, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BUAL 2600
  • BUAL 2600
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1 | P a g e | © copyright 2024/2025 | Grade A+




BUAL 2600 - Exam 2 - Gramling
Questions and Answers 2024/2025
Measures Central Tendency


✓ Mean, Median, Mode




Measures of Variation


✓ STD Deviation & Variance; Range & IQR




Measures of Position


✓ Quartiles, Percentiles, Z‐Scores




Central Tendency


✓ A measure of central tendency represents the center or middle of the

data




Population Parameter


✓ a number calculated from all the population measurements that

describes some aspect of the population




Population Mean (μ)

Master01 | September, 2024/2025 | Latest update

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

✓ is average of the population measurements and most of the time is

unknown




Sample Statistic


✓ a number calculated using the sample measurements that describes

some aspect of the sample




Sample Mean


✓ (𝑥̅ or 𝑎𝑛𝑦 𝑣𝑎𝑟𝑖𝑎𝑏𝑙𝑒 𝑛𝑎𝑚𝑒) is the average of the sample data




Median


✓ The value of the middle point of the ordered measurements.




For the Median data _________ in numerical order.


✓ MUST BE




The mode measures what type of data?


✓ -Qualitative data

✓ -It is the ONLY Central tendency measure for qualitative data




Mode
Master01 | September, 2024/2025 | Latest update

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

✓ The most frequent value for qualitative categories OR quantitative

single values




Outliers


✓ -are measurements that are very different from other measurements

✓ -either much larger or much smaller than most of the other

measurements




What type of outliers cause the data to be RIGHT SKEWED?


✓ Outliers that are much larger than majority of the other data points




What type of outliers cause the date to be LEFT SKEWED?


✓ Outliers that are much smaller than most of the other data points




How do you find the mean?







How do you find the mode?







How do you find the median?
Master01 | September, 2024/2025 | Latest update

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