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MATH_110_MODULE_9_PRACTICE_TEST_QUESTIONS_AND_ANSWERS_2026_UPDATED

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MATH_110_MODULE_9_PRACTICE_TEST_QUESTIONS_AND_ANSWERS_2026_UPDATED

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MATH 110 MODULE 9 PRACTICE
TEST QUESTIONS AND ANSWERS
2026 UPDATED VERSION VERIFIED
A+
◉ # of classes should be in between.
Answer: 5-20 classes


◉ number of classes formula.
Answer: (class width)(number of classes)>(range)


◉ lcl.
Answer: left side (smallest numbers)


◉ ucl.
Answer: right side (largest numbers)


◉ what do you add when going down your lcl's and ucl's.
Answer: class width


◉ lower class boundaries found by.
Answer: ucb - cw then add cw down classes

, ◉ upper class boundaries found by.
Answer: first ucl + second lcl / 2 then add cw down classes


◉ midpoint found by.
Answer: first classes added together / 2 then add cw down classes


◉ histogram.
Answer: bar chart with no gaps (use class boundaries)


◉ for a histogram.
Answer: start with lcb then use ucb for the amnt of frequencies


◉ for stem plots.
Answer: last number is leaf and the others in front are the stem


◉ stem plot should be between.
Answer: 5 and 20 rows


◉ to find number of stems.
Answer: take the highest and lowest numbers and use the stems and fill
in (ex. 100 and 42 would be 10-4)


◉ if there are not enough stems.

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