Question
In: Math
Conduct a hypothesis test to determine if companies with negative revenue change tend to be on the...
Conduct a hypothesis test to determine if companies with negative revenue change tend to be on the (500) market less time (and/or how much less time)?
The data is below. Please show all work in excel.
| Company Name | Revenue Change | # Years on Fortune 500 List |
| Walmart | 3.00% | 24 |
| Exxon Mobil | 17.40% | 24 |
| Berkshire Hathaway | 8.30% | 24 |
| Apple | 6.30% | 24 |
| UnitedHealth Group | 8.80% | 24 |
| McKesson | 3.10% | 24 |
| CVS Health | 4.10% | 24 |
| Amazon.com | 27.10% | 17 |
| AT&T | -2.00% | 24 |
| General Motors | -5.50% | 24 |
| Ford Motor | 3.30% | 24 |
| AmerisourceBergen | 4.30% | 24 |
| Chevron | 25.10% | 24 |
| Cardinal Health | 6.90% | 24 |
| Costco | 8.70% | 24 |
| Verizon | 0.00% | 24 |
| Kroger | 6.40% | 24 |
| General Electric | -3.50% | 24 |
| Walgreens Boots Alliance | 0.70% | 24 |
| JPMorgan Chase | 8.00% | 24 |
| Fannie Mae | 4.90% | 21 |
| Alphabet | 22.80% | 13 |
| Home Depot | 6.70% | 24 |
| Bank of America Corp. | 7.00% | 24 |
| Express Scripts Holding | -0.20% | 19 |
| Wells Fargo | 3.80% | 24 |
| Boeing | -1.20% | 24 |
| Phillips 66 | 26.50% | 6 |
| Anthem | 6.10% | 24 |
| Microsoft | 5.40% | 24 |
| Valero Energy | 26.00% | 20 |
| Citigroup | 6.80% | 24 |
| Comcast | 5.10% | 23 |
| IBM | -1.00% | 24 |
| Dell Technologies | 21.40% | 21 |
| State Farm Insurance Cos. | 2.90% | 24 |
| Johnson & Johnson | 6.30% | 24 |
| Freddie Mac | 13.70% | 21 |
| Target | 3.40% | 24 |
| Lowes | 5.50% | 24 |
| Marathon Petroleum | 21.00% | 7 |
| Procter & Gamble | -7.70% | 24 |
| MetLife | 4.20% | 24 |
| UPS | 8.20% | 24 |
| PepsiCo | 1.20% | 24 |
| Intel | 5.70% | 24 |
| DowDuPont | 30.20% | 24 |
| Archer Daniels Midland | -2.40% | 24 |
| Aetna | -4.10% | 18 |
| FedEx | 19.80% | 24 |
| United Technologies | 4.50% | 24 |
| Prudential Financial | 1.50% | 24 |
| Albertsons Cos. | 1.60% | 14 |
| Sysco | 9.90% | 24 |
| Disney | -0.90% | 24 |
| Humana | -1.10% | 24 |
| Pfizer | -0.50% | 24 |
| HP | 7.90% | 24 |
| Lockheed Martin | 0.80% | 24 |
| AIG | -5.40% | 24 |
| Centene | 19.30% | 9 |
| Cisco Systems | -2.50% | 22 |
| HCA Healthcare | 6.50% | 24 |
| Energy Transfer Equity | 26.60% | 12 |
| Caterpillar | 18.00% | 24 |
| Nationwide | 9.60% | 24 |
| Morgan Stanley | 15.00% | 24 |
| Liberty Mutual Insurance Group | 11.40% | 24 |
| New York Life Insurance | 3.70% | 24 |
| Goldman Sachs Group | 12.00% | 19 |
| American Airlines Group | 5.00% | 24 |
| Best Buy | 7.00% | 24 |
| Cigna | 4.90% | 24 |
| Charter Communications | 43.40% | 18 |
| Delta Air Lines | 4.00% | 24 |
| 47.10% | 6 | |
| Honeywell International | 3.10% | 24 |
| Merck | 0.80% | 24 |
| Allstate | 5.40% | 23 |
| Tyson Foods | 3.70% | 24 |
| United Continental Holdings | 3.20% | 24 |
| Oracle | 1.80% | 23 |
| Tech Data | 40.20% | 24 |
| TIAA | -2.90% | 21 |
| TJX | 8.10% | 24 |
| American Express | 5.20% | 24 |
| Coca-Cola | -15.40% | 24 |
| Publix Super Markets | 1.60% | 24 |
| Nike | 6.10% | 24 |
| Andeavor | 42.50% | 19 |
| World Fuel Services | 24.70% | 14 |
| Exelon | 6.90% | 24 |
| Massachusetts Mutual Life Insurance | -11.40% | 24 |
| Rite Aid | 6.90% | 24 |
| ConocoPhillips | 33.80% | 24 |
| CHS | 5.20% | 19 |
| 3M | 5.10% | 24 |
| Time Warner | 6.70% | 19 |
| General Dynamics | -1.20% | 24 |
| USAA | 10.60% | 24 |
Solutions
Expert Solution
First sort the table based on revenue
and make two new columns for years based on positive and negative revenues
data -> sort
| Company Name | Revenue Change | # Years on Fortune 500 List |
| Coca-Cola | -15.40% | 24 |
| Massachusetts Mutual Life Insurance | -11.40% | 24 |
| Procter & Gamble | -7.70% | 24 |
| General Motors | -5.50% | 24 |
| AIG | -5.40% | 24 |
| Aetna | -4.10% | 18 |
| General Electric | -3.50% | 24 |
| TIAA | -2.90% | 21 |
| Cisco Systems | -2.50% | 22 |
| Archer Daniels Midland | -2.40% | 24 |
| AT&T | -2.00% | 24 |
| Boeing | -1.20% | 24 |
| General Dynamics | -1.20% | 24 |
| Humana | -1.10% | 24 |
| IBM | -1.00% | 24 |
| Disney | -0.90% | 24 |
| Pfizer | -0.50% | 24 |
| Express Scripts Holding | -0.20% | 19 |
| Verizon | 0.00% | 24 |
| Walgreens Boots Alliance | 0.70% | 24 |
| Lockheed Martin | 0.80% | 24 |
| Merck | 0.80% | 24 |
| PepsiCo | 1.20% | 24 |
| Prudential Financial | 1.50% | 24 |
| Albertsons Cos. | 1.60% | 14 |
| Publix Super Markets | 1.60% | 24 |
| Oracle | 1.80% | 23 |
| State Farm Insurance Cos. | 2.90% | 24 |
| Walmart | 3.00% | 24 |
| McKesson | 3.10% | 24 |
| Honeywell International | 3.10% | 24 |
| United Continental Holdings | 3.20% | 24 |
| Ford Motor | 3.30% | 24 |
| Target | 3.40% | 24 |
| New York Life Insurance | 3.70% | 24 |
| Tyson Foods | 3.70% | 24 |
| Wells Fargo | 3.80% | 24 |
| Delta Air Lines | 4.00% | 24 |
| CVS Health | 4.10% | 24 |
| MetLife | 4.20% | 24 |
| AmerisourceBergen | 4.30% | 24 |
| United Technologies | 4.50% | 24 |
| Fannie Mae | 4.90% | 21 |
| Cigna | 4.90% | 24 |
| American Airlines Group | 5.00% | 24 |
| Comcast | 5.10% | 23 |
| 3M | 5.10% | 24 |
| American Express | 5.20% | 24 |
| CHS | 5.20% | 19 |
| Microsoft | 5.40% | 24 |
| Allstate | 5.40% | 23 |
| Lowes | 5.50% | 24 |
| Intel | 5.70% | 24 |
| Anthem | 6.10% | 24 |
| Nike | 6.10% | 24 |
| Apple | 6.30% | 24 |
| Johnson & Johnson | 6.30% | 24 |
| Kroger | 6.40% | 24 |
| HCA Healthcare | 6.50% | 24 |
| Home Depot | 6.70% | 24 |
| Time Warner | 6.70% | 19 |
| Citigroup | 6.80% | 24 |
| Cardinal Health | 6.90% | 24 |
| Exelon | 6.90% | 24 |
| Rite Aid | 6.90% | 24 |
| Bank of America Corp. | 7.00% | 24 |
| Best Buy | 7.00% | 24 |
| HP | 7.90% | 24 |
| JPMorgan Chase | 8.00% | 24 |
| TJX | 8.10% | 24 |
| UPS | 8.20% | 24 |
| Berkshire Hathaway | 8.30% | 24 |
| Costco | 8.70% | 24 |
| UnitedHealth Group | 8.80% | 24 |
| Nationwide | 9.60% | 24 |
| Sysco | 9.90% | 24 |
| USAA | 10.60% | 24 |
| Liberty Mutual Insurance Group | 11.40% | 24 |
| Goldman Sachs Group | 12.00% | 19 |
| Freddie Mac | 13.70% | 21 |
| Morgan Stanley | 15.00% | 24 |
| Exxon Mobil | 17.40% | 24 |
| Caterpillar | 18.00% | 24 |
| Centene | 19.30% | 9 |
| FedEx | 19.80% | 24 |
| Marathon Petroleum | 21.00% | 7 |
| Dell Technologies | 21.40% | 21 |
| Alphabet | 22.80% | 13 |
| World Fuel Services | 24.70% | 14 |
| Chevron | 25.10% | 24 |
| Valero Energy | 26.00% | 20 |
| Phillips 66 | 26.50% | 6 |
| Energy Transfer Equity | 26.60% | 12 |
| Amazon.com | 27.10% | 17 |
| DowDuPont | 30.20% | 24 |
| ConocoPhillips | 33.80% | 24 |
| Tech Data | 40.20% | 24 |
| Andeavor | 42.50% | 19 |
| Charter Communications | 43.40% | 18 |
| 47.10% | 6 |
| negative | positive |
| 24 | 24 |
| 24 | 24 |
| 24 | 24 |
| 24 | 24 |
| 24 | 24 |
| 18 | 24 |
| 24 | 14 |
| 21 | 24 |
| 22 | 23 |
| 24 | 24 |
| 24 | 24 |
| 24 | 24 |
| 24 | 24 |
| 24 | 24 |
| 24 | 24 |
| 24 | 24 |
| 24 | 24 |
| 19 | 24 |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 21 | |
| 24 | |
| 24 | |
| 23 | |
| 24 | |
| 24 | |
| 19 | |
| 24 | |
| 23 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 19 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 24 | |
| 19 | |
| 21 | |
| 24 | |
| 24 | |
| 24 | |
| 9 | |
| 24 | |
| 7 | |
| 21 | |
| 13 | |
| 14 | |
| 24 | |
| 20 | |
| 6 | |
| 12 | |
| 17 | |
| 24 | |
| 24 | |
| 24 | |
| 19 | |
| 18 | |
| 6 |
data -> data analysis -> t-Test: Two-Sample Assuming Equal Variances
| t-Test: Two-Sample Assuming Equal Variances | ||
| negative | positive | |
| Mean | 23.11111111 | 22.04878049 |
| Variance | 3.516339869 | 19.08401084 |
| Observations | 18 | 82 |
| Pooled Variance | 16.38349649 | |
| Hypothesized Mean Difference | 0 | |
| df | 98 | |
| t Stat | 1.0083 | |
| P(T<=t) one-tail | 0.1579 | |
| t Critical one-tail | 1.6606 | |
| P(T<=t) two-tail | 0.3158 | |
| t Critical two-tail | 1.9845 | |
this is left tailed test
p-value = 0.1579 > alpha
hence we fail to reject the null hypothesis
we conclude that there is not sufficient evidence
milcah answered 5 months agoRelated Solutions
Please conduct a Hypothesis test in the following scenario to determine if the population slope is...
Please conduct a Hypothesis test in the following scenario to
determine if the population slope is statistically significant.
State the appropriate test statistic, the critical values, and
whether or not you can reject a null hypothesis that the population
slope is zero.
Use a 1% significance level. Suppose that you collected data to
determine the relationship between the amount of time a person
spends online as an independent variable and the amount of money a
person spends online as the...
We would like to conduct a hypothesis test at the 5% level of significance to determine...
We would like to conduct a hypothesis test at the 5% level of
significance to determine
whether hockey players weigh more on average than baseball players.
We record the
weights of a random sample of 12 professional hockey players and 7
professional baseball
players. Weights of athletes in both sports are known to follow
normal distributions.
Some summary statistics are given below:
Sport n x s d
Baseball 7 187.571 7.72
Hockey 12 195.583 18.39
Based on the data, we...
Conduct a test of hypothesis to determine whether the mean salary (Salary column) of the teams...
Conduct a test of hypothesis to determine whether the mean
salary (Salary column) of the teams was different than $75.0
million. Use the 5% level of significance. Note: We do not know the
populations standard deviation.
Salary
93.6
143
108.7
61.7
95.2
67.1
103.9
71.4
189.6
79.4
106.5
24.1
68.3
89.1
66.2
87.3
99.7
68.9
54.4
30.5
87.8
108.5
71
115.2
89.4
38.5
58.1
90.2
90.3
37.3
Select one:
a. p = 19.2%. Do not reject the null. The mean...
Use the data from question 1. Conduct a hypothesis test at α = .01 to determine...
Use the data from question 1. Conduct a hypothesis test at α =
.01 to determine if the population variance is greater than
904.75.
Question 1: 1. Consider the following sampled data: s 2 =
906.304, n = 31. Calculate the following confidence intervals for
the population variance: (a) 90% (b) 95% (c) 99%
If we were to conduct a hypothesis test to test if a population proportion of a...
If we were to conduct a hypothesis test to test if a population
proportion of a certain event is 0.2 versus the alternative that it
is greater than 0.2 and we sampled 100 people, what would the
probability of a Type I Error be if we were to use the arbitrary
decision rule to reject Ho if more than 30 units in the sample had
the event (not the way we tested hypotheses in class)? What would
the probability of...
Conduct a hypothesis test (using either the p-Value Approach or the Critical Value Approach) to determine...
Conduct a hypothesis test (using either the p-Value Approach or
the Critical Value Approach) to determine if the proportion of all
recent clients is more dissatisfied than the traditional level of
dissatisfaction. Use α = 0.08. Do not forget to include the
correctly worded hypotheses and show all the steps required to
conduct the hypothesis test. 92 out of sample of 200 were
dissatisfied
Hypothesis test. Using the p-value method,conduct a formal hypothesis test of the claim that the mean...
Hypothesis test. Using the p-value method,conduct a formal
hypothesis test of the claim that the mean RBG of Type 2 diabetics
is 13.5 mmol/dl or higher. Use = 0.01. Include the following in
your written summary of the results:
Your null and alternate hypotheses in the proper format using
standard notation.
The type of distribution you used ( or normal).
The p-value and its logical relationship to (≤ or >).
Your decision regarding the null hypothesis: reject or fail to...
Conduct the hypothesis test and provide the test statistic and the critical value, and state the...
Conduct the hypothesis test and provide the test statistic and
the critical value, and state the conclusion. A person purchased a
slot machine and tested it by playing it 1,156 times. There are 10
different categories of outcomes, including no win, win jackpot,
win with three bells, and so on. When testing the claim that the
observed outcomes agree with the expected frequencies, the author
obtained a test statistic of chi squared equals18.233. Use a 0.05
significance level to test...
Conduct the hypothesis test and provide the test statistic and the critical value, and state the...
Conduct the hypothesis test and provide the test statistic and
the critical value, and state the conclusion.
A person drilled a hole in a die and filled it with a lead
weight, then proceeded to roll it 200 times. Here are the observed
frequencies for the outcomes of 1, 2, 3, 4, 5, and 6, respectively:
28, 27, 40, 38, 26, 41. Use a 0.01 significance level to test the
claim that the outcomes are not equally likely. Does it...
Conduct the hypothesis test and provide the test statistic and the critical? value, and state the...
Conduct the hypothesis test and provide the test statistic and
the critical? value, and state the conclusion.
A company claims that its packages of 100 candies are
distributed with the following color? percentages:
13?% red, 22?%? orange, 16?%? yellow, 8?%? brown, 23?% blue, and
18?% green. Use the given sample data to test the claim that the
color distribution is as claimed. Use a
0.10 significance level.
candy count
color
number in package
red
12
orange
25
yellow
8
brown...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- b. Do any unions represent employees in Microsoft? Describe which unions are involved. c. Have there been...
- Look up and use each of these Linux commands. (Each command will have two parts) Summarize...
- What was Lincoln 10 percent plan and what problems did it present?
- A cantilever beam 4m long carries a uniform load of 3.5 kN/m over a portion 1.5m...
- Our next optimization comes from using the brilliant Rabin-Karp substring matching algorithm (RK for short), invented...
- Give an example of an experiment to determine the focal length of a concave lens. (Note...
- Search the Internet to find (at least 2 websites) related to the general field of malware....
ADVERTISEMENT