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A survey of customer service in retail stores has been made. The survey found that 182 of Americans feel customer service is better today than it was two years ago. If 650 adults were included in the sample, develop a 95% confidence interval for the proportion of the population of adults who feel customer service is better today than it was 2 years ago.
How can the Binomial and Poisson probability distributions be utilized in solving business and marketing related questions? Identify an example of each.
Using an alpha of .05, what can you conclude about homogeneity of variance from the output? Word process your responses on the SPSS output pages.
The Stroop task is when color words are printed in the wrong color; for example, the word red might be printed in the color blue.
Regression and Correlation are two of the most often used and abused tools in research. People are quick to jump to conclusions that if a relationship exists between two variables, then one must cause (causation) the other.
The goal is to get people thinking about how they can actually use correlation and regression in their real life, and where and how can they can really benefit from these techniques?
A prison official wants to estimate the proportion of cases of recidivism. In examining 250 convicts there are 65 cases. with 99% confidence interval what is the range? How do you figure this type of problem?
Why do we use graphical displays of the data from our research, such as Pareto Charts, Bar Charts, Pie Charts, Flow Charts, or Process Control Charts?
A researcher plans to compare two treatment conditions by measuring one sample in treatment 1 and a second sample in treatment 2. The researcher will then compare the scores for the two treatments. If there is a difference between the two groups o..
An experiment was carried out to assess the effects of four tomato varieties and four planting densities on yield. There were 64 plots, and each of the 16 factor combinations was randomly assigned to 4 plots.
Fuji Importers' tubes are 4 percent defective, Kirkpatricks' 7 percent, and Parts, Inc. are 6.5 percent defective. (a) What is the overall percent defective?
A random-effects ANOVA refers to the analysis where the levels included in the study represent a random sample of all levels that exist.
Use MegaStat's output for simple linear regression to determine the regression equation
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