Reference no: EM131054374
Part 1-
Follow these 3 steps: You MUST answer all of these 3 steps
1. Determine the Independent and Dependent Variable.
2. Which one is a continuous and a categorical variable <The variable can be the same>
3. Determine the test you need to use (Chi-Square, T-test, ANOVA, Correlation simple Regression)
1. Sarah is testing a hypothesis and is examining the data to determine whether the three different types of background music in retail stores will influence their sales. Which test should she use? Explain your answer (hint: follow the 3 steps discussed in my video).
2. Which test should be used to test this hypothesis: an individual's level of self-esteem (measured on 7-point Likert scales) will increase as the number of his/her Facebook friends increases? Explain your answer.
3. Which test should be used to test this hypothesis: younger people (18-45 yrs) are more likely to purchase wearable technology products (measured by 10-point bipolar scales) than older people (46 yrs or above)? Explain your answer.
Part 2-
1. The cross-tabulation table summarizes an NBA team's game results by game location.
Game Won Lost Total
Home 31 10 41
Road 23 18 41
Total 54 28 82
A) Calculate the expected Frequency for each cell.
B) Calculate the chi-square statistic.
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Find the fish population after four years
: A small lake is stocked with a certain species of fish. The fish population is modeled by the function P = 14/1 + 4e-0.5t. Find the fish population after 4 years
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Problem regarding the haber process
: Ammonia, NH3, is industrially produced from N2 and H2 using the Haber process. How much ammonia can be produced from 28 kg of nitrogen and 2 kg of hydrogen, assuming the reaction yield is 90%?
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Determining the photosynthesis reaction
: The photosynthesis reaction is 6CO2(g)+6H2O(g)>C6H12O6(s)+6O2(g). If the reaction requires 2.82*103KJ/mole of C6H12O6 formed:
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The hallmarks of a reasonable sentence
: After reading about the Sentencing Reform Act of 1984 and the subsequent adjustments ordered by the Supreme Court, consider how these changes impact an individual judge's view of a "reasonable sentence." Then, in a post to the discussion board, an..
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Calculate the expected frequency for each cell
: The cross-tabulation table summarizes an NBA team's game results by game location. Calculate the expected Frequency for each cell
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Design a sales presentation/campaign
: You will create a speech that should be three to five minutes long. You must also upload a transcript (print version) of your speech and include a short 75-word reflection statement.
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Reaction thermodynamically-kinetically favorable
: A reaction can be thermodynamically favorable, but kinetically unfavorable. What does that mean? When is reaction thermodynamically or kinetically favorable or unfavorable? Choose a suitable reaction and draw energy diagrams to explain these conce..
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What is the overall equation
: a. What is the overall equation? b. Identify the intermediate(s) and catalyst(s), if any. c. What are the molecularity and the rate law for each step?
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Mole of calcium hydroxide
: Quicklime, CaO, can be produced by heating calcium hydroxide, Ca(OH)2. What is the percent yield if 45 grams of quicklime are obtained from 1 mole of calcium hydroxide?
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