Mathematics, 19.07.2021 20:10 sunarafet3814
The survey included a random sample of 640 western residents and 540 northeastern residents. 39% of the western residents and 51% of the northeastern residents reported that they were completely satisfied with their local telephone service. Find the 99% confidence interval for the difference in two proportions
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Mathematics, 21.06.2019 19:00
What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100
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Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?
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Mathematics, 22.06.2019 01:20
1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed
Answers: 2
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