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Can you describe in detail the differences in ANOVA and the five-step hypothesis testing method?
1. State hypothesis and althernate.
2. Level of significance.
3. Identify test statistic.
4. Formulate decision rule.
5. Make the decision to accept or reject null hypothesis.
If sales is the variable you are trying to explain and you have 2 independent variables of color and price. The color coefficient is 100, and the price coefficient is -200. You have an intercept coefficient of 999 and an r-squared value of .2706. ..
A soft drink company has recently received customer complaints about its one-liter-sized soft drink products. Customers have been claiming that the one-liter-sized products contain less than one liter of soft drink.
Critically discuss the reasons for studying statistics? Choose five random numbers between 70-100. Calculate the mean, and midrange of these numbers.
Infomercials often peddle products under the guise of "studies show," While some of the products are surprisingly good, many aren't.
What is the relationship between the variance and the standard deviation?
Describe the following correlation. The students with the highest grades in written French were also the students with the highest grade in spoken French.
36 values given here are based on summary statistics from research by cumming. Do you think that these data are normally distributed?
Can we conclude that the mean time for a game is less than 3.50 hours? Use the .05 significance level.
A mean score on a standardized test is 50 with a standard deviation of 10. Answer the following
What is an example of two variables that are likely to be correlated because they are both changing over time?
How closely is the height of an individual related to the weight? Partial regression output for a sample of 92 individuals is below.
What is the probability that a cereal would either high calorie or high fiber? In other words, what is P(high calorie or high fiber)?
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