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A study is conducted to compare mean cholesterol levels for individuals following a low carbohydrate diet for at least 6 months to individuals following a conventional (low fat, low calorie )diet for at least 6 months. test if there is a significant difference in mean cholesterol levels between the diet programs using a 5% level of significance.
Data Below
Diet Program Sample Size Mean Cholesterol Std Dev Cholesterol
Low Carb 50 225.4 24.5
Conventional 75 203.8 21.6
Use this information to construct a probability table, and then calculate each of the following probabilities: P(foreign car)
A recent study of 50 self-service gasoline stations in the Greater Cincinnati' Northern Kentucky metropolitan area revealed that the mean price of unleaded gas was $2.029 per gallon. The sample standard deviation was $0.03 per gallon.
What is an example of a research problem at your organization that would benefit from the use of either descriptive statistics or probability distribution statistics? Explain.
Kind of examination produced significant main effects on both mean mark and time taken to complete the examination.
Listed below are weights in grams from a sample of these bats. Construct a 95% confidence interval estimate of their mean weight.
Let ≥ represent the true average area (in square feet) of these apartments. What are the appropriate null and alternative hypotheses?
At.02 significance level is it sensible to conclude that mean number of shoes sold at mall stores is larger than at outlet stores?
Can you determine the number of levels used for each factor? Explain. Describe a treatment for this experiment and determine the number of treatments used.
If a six appears for the second time, the process is repeated with the move depending on the number shown and the previous throws. If a six appears for the third time, the turn of the player ends without moving the token.
Is there a relationship between sales and newspaper?
Results were analyzed using one -way ANOVA and included SSTR =7 , 102 and SSE = 10 ,511. Are all 8 tapes equally appealing on average? Determine p value?
To test the effectiveness of a new studying strategy, a teacher randomly divides a sample of 8 students into tow groups, with n = 4 in each group.
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