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A researcher is interested in comparing tastiness of different parts of cheese in grilled cheese sandwiches. The researcher expects that Cheddar cheese grilled sandwiches are rated tastier than Swiss cheese grilled sandwiches. This researcher needs to use a within-subjects design. Every participant tastes both Cheddar and Swiss cheese grilled sandwiches. Except for the types of cheese used in the grilled sandwiches, there is no difference among the two kinds of sandwiches. Participants indicate the degree of tastiness on a 10-point scale and the ratings appear in the following table. Tastiness scores tend to be skewed.
Participant
Cheddar
Swiss
1
7
4
2
6
5
3
9
10
8
a. What statistical test should be used to examine these data?
b. Justify H0 and Ha for this study.
c. Conduct the appropriate analysis.
d. Should H0 be rejected? What should the researcher conclude?
For our class homework we prepared a 3-month forecast for sales (12 months with actual sales for each month). What or how do we figure the absolute deviation of the 3-month foreast
Two construction contracts are to be randomly assigned to one or more of three firms. Numbering the firms I, II, and III, let X1 be the number of contracts assigned to firm I, and
It is known that the average height of a man residing in the Canada is 174 cm and the standard deviation is 8 cm. Assume the heights are normally distributed. To test the hypothesi
1. Consider a room 3 m x 3m x 3m with one façade made of glazing with diffuse transmittance 0.6 and reflectance 0.2. The interior surfaces have a reflectance of 0.5. Consider incid
1. A researcher is comparing two middle school 7th grade classes. One class at one school has participated in an arts program (involving putting on a musical play) which emphasized
essay
how to reconcile bank statement
How do you prepare the budget balance sheet?
V ariance A measure of dispersion the variance represents the average distance from any given observation in a series to the mean of that series in the units squared.
The following data shows marks obtained by 40 students in a Statistics test. 75 99 72 54 25 40 65 32 69 10 85 48 52 80 63 64 35 62 51 71 67 57 95 74 56 69 61 49 45 63 39
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