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Find the mean,median and mode of the data if possible, if any measure cannot be found or does not represent the center of data explain why. Please show work.
The ages of the members of the House of Representatives from Indiana as of February 19,2013
63 49 36 43 52 43 38 50 40
1 personal best finishing times for a particular race in high school track meets are normally distributed with mean
in an experiment on magazine advertisements a researcher is examining visual displays to determine if one is more
Determine a 95% confidence interval for the population mean.
the lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days.
a sample of 210 bell computers has 56 defectives. theory suggests that a third of all bell computers should be
We have data from a four by three factorial with 24 units. Below are ANOVA tables and residual versus predicted plots for the data and the log transformed data. What would you conclude about interaction in the data? Original data:
Find a 99% confidence interval for mu1-mu2, the difference in population means when it is known in advance that the population variances are 4 and 5 respectively.
Suppose that, in a sample of 200, we observe 140 successes. Is this sufficient evidence at the 1% significance level to indicate the the population proportion of successes is greater than 65%
university city is a town of more than 200000 persons with over 50000 university and community college students. it
One set represents the weight before treatment. The other set represents the weight after treatment. In a case like this use a paired-sample t-test.
identify a situation where the central limit theorem is useful and will give you a more accurate
The Graduate Management Admission Council, who administers the test, claims that the mean total score is 529. Suppose a random sample of 8 students took the test, and their scores are given below. 699, 560, 414, 570, 521, 663, 727, 413 Use α = .05..
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