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To find mean, median, mode and midrange
Nine households had the following number of children per household:
2
0
1
4
3
Find out the mean, median, mode, and midrange for these data.
Statistics and Probability, Statistics
1. What are the four basic goals of behavioral research? 2. Distinguish between basic and applied research. In what ways are basic and applied research interdependent?
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Project - You must show all steps for the hypothesis testing; use either the critical value approach or the p-value approach. 1) a) Choose one of the following quantitative variables from the data set: Age, Weight, Cell ...
Assume that you plan to use a significance level of α = 0.05 to test the claim that p1 = p2. Use the given sample sizes and numbers of successes to find the P-value for the hypothesis test. n1 = 50 n2 = 50 x1 = 8 x2 = 7
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A researcher conducted a factor analysis of five items on which participants rated their current mood. Interpret the factor matrix that emerged from this factor analysis. Specifically, what do the three factors appear to ...
Prior to distributing a large shipment of bottled water, a beverage company would like to determine whether there is evidence that the true mean fill volume of all bottles di↵ers from 600 ml, which is the amount stated o ...
A pizza restaurant offers 11 different toppings: 6 of them are vegetarian and 5 of them are non-vegetarian. A customer selects her first topping at random and then selects another one at random from the remaining topping ...
A repeated-measures experiment comparing only two treatments can be evaluated with either a t statistic or an ANOVA. As we found with the independent-measures design, the t test and the ANOVA produce equivalent conclusio ...
1. What is an interaction? 2. How many interactions can be tested in a 2 x 2 design? In a 3 x 3 design? In a 2 x 2 x 3 design? 3. Why do researchers use expericorr designs?
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