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...
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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