Exam Questions and Correct Answers |
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Definition of percentage - 🧠ANSWER ✔✔Per 100, how many parts per 100
Hundredths - 🧠ANSWER ✔✔5% 5/100 or .05 are all the same in
hundredths
Tenths - 🧠ANSWER ✔✔3/10 or .3 or 30% notice the decimal in in the tenth
place
5% of a class of 40 students get an A equals how many students? -
🧠ANSWER ✔✔5/100 * 40/1= 200/100 or 2 (students)
What if you have a % in your decimal like .003% ? - 🧠ANSWER ✔✔Take
the number & write it over 100 to make a fraction- .003/100
The Three basic uses of percentages - 🧠ANSWER ✔✔1. A portion of
something; to express a fraction of a total or a ratio. 2. How something, a
value, has changed or is different. 3. A compared value or comparison of
two different numbers.
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, (Percentages are always a comparison; either of the total, a previous value
or 1 out of 2 values to some standard value which signifies 100% which is
the standard value always goes in the denominator)
Appropriate uses of percentages - 🧠ANSWER ✔✔1. To describe change ie.
population growth, rising price, pay comparisons. 2. To describe a fraction
of the total (work force). 3. To compare the performance or cost of
products.
Common abuses of percentages - 🧠ANSWER ✔✔1. Shifting reference
values (percentages fail if you don't have a standard & that standard must
be constant or already known) 2. less than nothing, 2. Don't average
percentages unless both tests happen to have the exact same number of
questions.
Absolute Change Describing a Change in a value - 🧠ANSWER
✔✔describes the actual increase or decrease from a reference value to a
(new) smaller or larger value.
Absolute change=NV - RV new value minus the reference value (reference
value is always the previous value, or, the New value minus the old, or new
value-reference value
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COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED