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The following data represent the number of children in a sample of 10 families from Chicago: 4, 2, 1, 1, 5, 3, 0, 1, 0, and 2. Compute the mean number of children. Place your answer, rounded to two decimal places, in the blank. For example, 3.45 would be a legitimate entry.
If Molly and Kathleen wishes to make a profit of $5,000 for summer, how many pupils do they require to enrol?
The pooled variance of two samples is:
Suppose that we observe a random sample size n from a normally distributed population. If we are able to reject H0:µ = µ in favor of a two-tailed alternative hypothesis at the 10% significant level
the temperature of a liquid in minerals at different temperatures are shown by this dataliquid at 105 degrees 15.11
Explain how the proposed survey addresses your problem statement. Determine if your survey questions are appropriate for researching your business problem, and explain why they are.
A manufacturer of athletic footwear claims that the mean useful lifetime of his product will exceed 50 hours. A random sample of 36 pairs of shoes leads to the following sample results, in terms of useful life: x = 52.3 hours and s = 9.6 hours.
a television station claims that its monday night movie regularly has 35 percent of the total viewing audience. if this
In order to estimate the average time spent on the computer terminals per student at a local university, data were collected for a sample of 81 business students over a one week period.
Describe the following correlation. The students with the highest grades in written French were also the students with the highest grade in spoken French.
you want to know if theres an association between college students spring breakdestinations and what year theyre in.
At the .05 level, you are testing whether there is a significant difference in the proportions of college students and similar aged non college students having accidents during the two year period. Is this a 1 or 2 tail test?
A doctor advices a patient to go on a particular diet for 2 weeks. Considering the general condition of the patient, the amount of weight the patient may loose is assumed to be between 5 Kg and 10 Kg,
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