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Mathematics, 22.06.2019 02:00
The poll report includes a table titled, “americans using cash now versus five years ago, by age.” the age intervals are not equal. why do you think the gallup organization chose the age intervals of 23–34, 35–54, and 55+ to display these results?
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Mathematics, 22.06.2019 04:30
Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean
Answers: 2
Mathematics, 22.06.2019 04:30
Shirley spelled 12 of her 15 spelling words correctly on the test. what percentage did shirley get on the test?
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What is the y-intercept of y=2/3 x +2...
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