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Please provide a 250-300 word explanation for the below discussion question and please include APA style in-text quotation marks, citations, and references!!
Q1. In correlation and regression we are examining relationships between two or more variables (i.e., ad spending and sales). However in most studies we do we cannot say that one variable (ad spending) causes the other (sales). Why not? What has to be the case for us to discuss one variable "causing" another?
What value is standard deviation for this data? What type of probability is this?
a tire manufacturer wants to determine the inner diameter of a certain grade of tire. ideally the diameter would be
Do you support Bob's claim that citizens in his area spend more than $75 per year? Explain why or why not. Find a 95% confidence interval for the true mean amount that citizens spend per year.
You take a random sample and perform a hypothesis test, getting a p-value of 0.2578. What is the appropriate conclusion? Conclude at the 5% level of significance.
Suppose that we observe a random sample size n from a normally distributed population. If we are able to reject H0:µ = µ in favor of a two-tailed alternative hypothesis at the 10% significant level
Using an appropriate statistical test determine if there is a significant association between gender and satisfaction with the new initiative.
What is the variance and standard deviation (of profit, NOT of tire life) for producing an all weather tire? Of producing a high performance tire?
At the .05 significance level, can we conclude that the guideline is still reasonable?
How many social robots would need to be sampled in order to estimate the proportion of robots designed with legs, no wheels to within .075 of its true value with 99% confidence. Given that a random sample of 106 robots showed that 63 were designed wi..
The standard error of the estimate (standard error) is the estimated standard deviation of the distribution of the independent variable and in Regression Analysis if the variance of the error term is constant, we call it the Heteroscedasticity prope..
A fever have sore throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat?
Assume you are conducting a one-way analysis of variance using a 0.05 level of significance and have found that the p-value = 0.02. Which of the follow is correct regarding what you can conclude?
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