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Do sit down restuarant franchises and fast food franchises differ significantly in stock price? Specifically, is the average stock price for sit-down restaurants different from the average stock price for fast food restaurants? If sit down restaurants are considered group 1 and fast food restaurants are group 2, what are the hypotheses of this scenario?
1) HO: μ1 ≤ μ2HA: μ1 > μ2
2) HO: μ1 > μ2HA: μ1 ≤ μ2
3) HO: μ1 ≥ μ2HA: μ1 < μ2
4) HO: μ1 ≠ μ2HA: μ1 = μ2
5) HO: μ1 = μ2HA: μ1 ≠ μ2
Also use the regression model to predict a student's average if he/she misses 4 classes.
In a group of six professors selected at random, what is the expected number of extroverts? What is the standard deviation of the distribution?
The ideal number of children. "What do you think is the ideal number of children for a family to have?" A Gallup Poll asked this question of 1016 arbitrarily chosen adults. Almost half (49%) thought two children was idea suppose that p = 0.49 is e..
Probability of two mutually exclusive events intersecting Can be any value between 0 to 1, Must always be equal to 1.
Estimate the probability the store will gross over $850 a) Fewer than 5 out of 10 business days.
What is the probability of selecting a female or an accounting major? Which rule of addition did you apply?
A regression model between sales (Y in $1,000), unit price (X 1 in dollars) and television advertisement (X 2 in dollars) resulted in the following function: = 7 - 3X1 + 5X 2 For this model SSR = 3500, SSE = 1500, and the sample size is 18...
Find out the slope, b, and the intercept, a, for the least-squares line. Write the equation of the least squares line.
Is the gender distribution for theater goers significantly different from the distribution for the general college? Test at the .05 level of significance.
Determine percentage of employees has 5 dependents? Of all employees which have at least one dependent, determine percentage has more than one?
What fraction of the calls last between 4.2 and 5 minutes?
Create raw score predictions on criterion variable for persons with Z scores on predictor value of -2,-1,0,+1,+2.
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