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Make up the ages of a group of participants who are freshman, sophomores, juniors, and seniors. You will need the age of 10 participants across each level.
Compute a one-way ANOVA to determine whether there are significant age differences across years in college (freshman, sophomores, juniors, and seniors). Interpret the results and save the SPSS output.
Hypothesis testing of single mean - can we conclude that the mean weight is greater than 16 ounces? Determine the p -value.
Build a scatter plot, Find the value of the linear correlation coefficient r, and find the critical value of r using α=0.05. Determine whether there is sufficient evidence to support a claim of a linear correlation between the two variables.
An important idea in data interpretation is choosing which graph to use under which circumstances. Describe the benefits of different graphs for different sets of data:
An averages of four tax evaders per 100 tax filers. If 50 tax filers are randomly selected from the state, what is the probability of the following:
A beverage company is trying to ?nd out the distribution of the breaking strength of their glass bottles. Fifty bottles are selected at random and tested for breaking strength, with the following results (in pounds per square inch):
What is your null hypothesis? What is your alternative hypothesis? What your decision about the null hypothesis?
WHich sampling method from the choices listed above would be best? Describe how you would carry out your chosen sampling method of a student from part (a)
A pinochle deck has 48 cards, two of each of six denominations (9, J, Q, K, 10, A) and the usual four suits. In a hand of 12 cards, what is the probability of getting a "bare" roundhouse, namely a king and queen of each suit and no other kings or ..
What is the possibility that for a arbitrarily selected customer the service time could exceed 3 minutes?
What is the probability that the first order will come on the fourth sales call of the day? Please show work and round to 4 decimal places.
At α = 0.01 level of significance, test the hypothesis that these data can be described by a Poisson pdf.
The display represents Excel output for an ANOVA analysis with σ = 0.05.
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