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The file ChocolateChip contains the cost (in cents) per 1-ounce serving, for a sampleof 13 chocolate chip cookies. The data are as follows: 54 22 25 23 36 43 7 43 25 47 24 45 44
a. Compute the first quartile the third quartile and the interquartile range.
b. List the five-number summary.
c. Construct a boxplot and describe its shape.
a 0.1m3 rigid tank is initially filled with air at 400 kpa and 300k. then a valve is opened and the air flows out
several Measures of Central Tendency (averages). We usually use the mean. Where would we use other measures, such as the mode or the median?
I have fit a line to data representing cholesterol readings for 28 individuals starting a cholesterol reducing drug. The computer provides the following output, The degrees of freedom for the t test for the slope are
researchers found a correlation coefficient of r .50 on personality measures for identical twins. a reporter
a study of 35 white mice showed that their average weight was 4.7 ounces. the standard deviation of the population is
A statistician is interested in determining whether food preferences depend on the country. The data is presented below. What is the correct statistical test for analyzing the data?
Construct a 95 percent confidence interval for the mean number of misspelled words in the population of student essays.
question a national study has determined that people who work full time average 43.4 hours worked per week.assume that
The critical F value with 6 numerator and 60 denominator degrees of freedom at α = .05 is:
The frequency of 2 cups of coffee is 600. The frequency of 3 cups of coffee is 300. The expected number of cups of coffee is?
Three scholarships are available for students. Their values are: $2,000, $2,400, $3,000. Twelve students have applied and no student may receive more than one scholarship. Assume all twelve students are in needs of the funds, how many different..
In Eurelia there are three categories of bicycle license, with different fees for each. The table below is based on a random sample of 122 Eurelian bicycle-license holders.
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