Mathematics, 18.02.2020 02:01 jacamron
Under what circumstances is the computational formula preferred over the definitional formula when computing SS, the sum of the squared deviations, for a sample?
a. When the sample mean is a whole number.
b. When the sample mean is not a whole number.
c. When the sample variance is a whole number.
d. When the sample variance is not a whole number.
Answers: 3
Mathematics, 21.06.2019 17:00, moneyyfletcher
Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?
Answers: 2
Mathematics, 21.06.2019 18:00, mooreadrian412
The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed
Answers: 2
Under what circumstances is the computational formula preferred over the definitional formula when c...
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