lOMoARcPSD|5967629
MATH 215 Cheat sheet for midterm exam updated 2024/2025 helpful hints and formulas with complete solution;Athabasca
2024
MATH 215 lOMoARcPSD|5967629
lOMoARcPSD|5967629
MATH 215 Cheat sheet for midterm exam updated 2024/2025 helpful hints and formulas with complete solution;Athabasca
Chapter Two
Relative Frequency of a class- f / ∑f
f = frequency
∑f = sum of all frequencies
Relative Frequency Percentage- (f / ∑f) x100
f = frequency
∑f = sum of all frequencies
Class- for quantitative data, an interval that includes all the values that fall within two numbers
—the lower and upper limits
Class Midpoint- (Upper Limit + Lower Limit) /2
Class Boundary- the midpoint of the upper limit of one class and the lower limit of the next class Class Width- Upper Boundary – Lower Boundary
Cumulative Frequency- how many things have you counted up until now?
Cumulative Frequency Percentage- how many things have you counted up until now? x100
Histogram:
Looks like a bar chart, but the bars are touching each other.
Classes of data are marked on the horizontal axis and the frequencies (or relative frequencies or
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Wiseman. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.