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1. If the sample size is 36 with three treatment means (response variables) and you are performing an ANOVA, then the degrees of freedom for the error term will be:
2. If the least squares equation for sales data is the following: Y = 10 + 1.3 X (in $ millions) what are the sales when X = 10 (in millions of dollars)?
3. A random sample of size 15 is selected from a normal population. The population standard deviation is unknown. Assume that a two-tailed test at the 0.10 significance level is to be used. The null hypothesis is not rejected if the computed t is:
Critically discuss understanding the normal distribution and the factors that affect its shape important in solving business and marketing-related questions?
The number of customers at a specialty meat store averages about 1500/day. The exact number varies from day to day. On Fridays before long weekends, the number of customers increases to about 3000. Which of the following statements is correct
A researcher wants to determine a 95% confidence interval for the mean number of hours that UMKC students spend doing homework per week.
Examine the two standard deviations. What do these indicate about the range of benefits enjoyed by the two groups?
Compute the appropriate Test Statistic to test null hypothesis that mean of population is 4.3 against alternative hypothesis μ ≠ 4.3.
Two groups of students are asked to rank their preference for six types of soft drinks. The following table shows their rankings.
Make a List of type of possible errors. Assume that you were interested in knowing the mean score for a certain quiz in a statistics class.
What percentage of population scored between the mean and Jorge?
Considering all of the day to day activities you are engaged in at work and in your personal lives, write a 200 (or more) word paper that describes at least three (3) different statistical usages that you see regularly.
Sarah is a 60 year old Anglo female in reasonably good health. She wants to take out a $50,000 term life insurance policy until she is 65.
What are the minimum and maximum heights it should use as a basis for its design?
The probability that house sales will increase in the next 6 months is estimated to be 0.25. The probability that the interest rates on housing loans will go up in the same period is estimated to be 0.74. The probability that house sales or intere..
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