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Mathematics homework help

Why it was a difficult concept for you.

There are several difficult concepts in Business Calculus.  Pick a concept, theory, or idea that you found particularly difficult or challenging.  Use your skills of surfing the web and find a video that explains that particular concept, theory, and/or idea.
please post the video as well.
1.  State concept, theory, and/or idea.
2.  Why it was a difficult concept for you.
3.  How the video was helpful.

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Mathematics homework help

Is there a correlation, and has this leadership decision been effective?

Over the past decade, ABC Manufacturing has increased the number of safety inspections per month in hopes to decrease the number accidents on their production line.  Below is a list of how many inspections were conducted in a month and the corresponding number of accidents recorded.  Is there a correlation, and has this leadership decision been effective?
Inspections   Accidents
20                   181
24                  190
28                   167
40                    160
60                    120
64                  124
64                      118
68                    90
70                    94
72                     85

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Mathematics homework help

Explain why an increase in sample size will reduce the probability of a type II error, but such an increase will not impact the probability of a type I error.

Please respond to the following:
Explain why an increase in sample size will reduce the probability of a type II error, but such an increase will not impact the probability of a type I error.
Support your reasoning using a scholarly source. Visit the Strayer University Library for help.

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Mathematics homework help

Explain which data collection method you would use and what procedures you would follow to apply this method to this situation.

Data Collection Practice
A maker of energy drinks is considering abandoning can containers and going exclusively to bottles because the sales manager believes customers prefer drinking from bottles. However, the vice president in charge of marketing is not convinced the sales manager is correct. Investigate this issue using statistical analysis.
Explain which data collection method you would use and what procedures you would follow to apply this method to this situation.
Propose which level of data measurement applies to the data collected. Justify your answer.
Determine whether the data is qualitative or quantitative.
Submit your work in a Word document.