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General ed Math 115 Exam Questions and Answers 100% Solved | Graded A+ CA$15.15   Add to cart

Exam (elaborations)

General ed Math 115 Exam Questions and Answers 100% Solved | Graded A+

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  • Course
  • Math 115
  • Institution
  • Math 115

General ed Math 115 Exam Questions and Answers 100% Solved | Graded A+ population - everything that is being studied (ex. all math115 students fall 2023) sample - small portion of population random samples - obtained via random methods (random number generator, coin, dice, etc) systematic sa...

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  • October 11, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Math 115
  • Math 115
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©JOSHCLAY 2024/2025. YEAR PUBLISHED, 2024.
General ed Math 115 Exam Questions

and Answers 100% Solved | Graded A+


population - ✔✔everything that is being studied (ex. all math115

students fall 2023)

sample - ✔✔small portion of population

random samples - ✔✔obtained via random methods (random number

generator, coin, dice, etc)

systematic samples - ✔✔every kth person (ex. every 3rd person)

stratified samples - ✔✔divide into groups (ex. freshmen and

sophomores) (ex. age groups 18-24, 24-32, etc)

cluster samples - ✔✔intact groups (ex. just our class out of all 240

math115 students)

frequency distribution - ✔✔write out all the data, then the frequency

which that data number occured

histogram - ✔✔bar graph, bars touch

frequency polygon - ✔✔dots for each piece of data connected with a line

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED, 2024.
stem and leaf plot - ✔✔graphing by placing the "stem" digits (or initial

digits) in one column and the "leaf" digits (or remaining digits) out to the

right.

grouped frequency distribution - ✔✔scores are grouped into intervals

rather than listed as individual values.

midrange - ✔✔low value + high value divided by 2

position of the median (formula) - ✔✔(n+1)/2

what are and aren't affected by outliers - ✔✔mean and midrange are,

median and mode arent

standard deviation (definition and formula) - ✔✔average deviations from

the mean

create a chart for the formula!!

x= data value

n= number of total data

normal distribution/bell curve - ✔✔a symmetrical distribution with values

clustered around a central, mean value

68-95-99.7 rule - ✔✔68% fall 1 SD of the mean

95% fall 2 SDs of the mean

99.7% fall 3 SDs of the mean

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