Question
In: Statistics and Probability
We want to test is the life expectancy in country A and B are equal at...
We want to test is the life expectancy in country A and B are
equal at 98% confidence level. Gven the
|
A |
B |
|
| Sample mean (years) |
88 |
86 |
| Sample standard deviation (years) |
7.35 |
10.61 |
| Sample size |
27 |
35 |
Given the data in Exhibit 3, the p-value for the
difference between the two population means is_____ and at 95%
confidence level the null hypotheis_____
Select one:
a. 0.0013, should not be rejected
b. 0.1823, shoul be rejected
c. 0.1946, should not be rejected
d. 0.0026, should be rejected
Solutions
orchestra answered 1 year agoRelated Solutions
According to the historical data, the life expectancy in Argentina is equal to the life expectancy...
According to the historical data, the life expectancy in
Argentina is equal to the life expectancy in Bolivia. A new study
has been made to see whether this has changed. Records of
240
individuals from Argentina who died recently are selected at
random. The
240
individuals lived an average of
74.6
years with a standard deviation of
4.6
years. Records of
250
individuals from Bolivia who died recently are selected at
random and independently. The
250
individuals lived an average...
Suppose we want to test whether or not three means are equal. We want to perform...
Suppose we want to test whether or not three means are equal. We
want to perform this test with a 2% significance level.
If we perform an ANOVA test, what is the probability of
the test producing accurate results (avoiding a Type I
error)?
Suppose we, instead, run three separate hypothesis tests
(t-tests), each with 2% significance level.
Mean 1 = Mean 2
Mean 1 = Mean 3
Mean 2 = Mean 3
What is the probability that all three...
Suppose we want to test whether or not three means are equal. We want to perform...
Suppose we want to test whether or not three means are equal. We
want to perform this test with a 2% significance level.
If we perform an ANOVA test, what is the probability of
the test producing accurate results (avoiding a Type I
error)?
Suppose we, instead, run three separate hypothesis tests
(t-tests), each with 2% significance level.
Mean 1 = Mean 2
Mean 1 = Mean 3
Mean 2 = Mean 3
What is the probability that all three...
Suppose we want to test whether or not three means are equal. We want to perform...
Suppose we want to test whether or not three means are equal. We
want to perform this test with a 10% significance level.
If we perform an ANOVA test, what is the probability of the test
producing accurate results (avoiding a Type I error)?
Suppose we, instead, run three separate hypothesis tests
(t-tests), each with 10% significance level.
Mean 1 = Mean 2
Mean 1 = Mean 3
Mean 2 = Mean 3
What is the probability that all three...
Suppose we want to test whether or not three means are equal. We want to perform...
Suppose we want to test whether or not three means are equal. We
want to perform this test with a 2% significance level.
If we perform an ANOVA test, what is the probability of the test
producing accurate results (avoiding a Type I error)?
Suppose we, instead, run three separate hypothesis tests
(t-tests), each with 2% significance level.
Mean 1 = Mean 2
Mean 1 = Mean 3
Mean 2 = Mean 3
What is the probability that all three...
Suppose we want to test whether or not three means are equal. We want to perform...
Suppose we want to test whether or not three means are equal. We
want to perform this test with a 7% significance level.
If we perform an ANOVA test, what is the probability of the test
producing accurate results (avoiding a Type I error)?
Suppose we, instead, run three separate hypothesis tests
(t-tests), each with 7% significance level.
Mean 1 = Mean 2
Mean 1 = Mean 3
Mean 2 = Mean 3
What is the probability that all three...
a) WHO is examining the improvement in life expectancy in an underdeveloped country. Historical data for...
a) WHO is examining the improvement in life expectancy in an
underdeveloped country. Historical data for the population shows a
population mean life expectancy of 58.3 years, and with a
population standard deviation of 4.52 years. A recent sample of 75
people produced a sample mean of 60.8 years and a sample standard
deviation of 2.84 years. Evaluate H0: μ ≤ 58.3 and HA: μ > 58.3
at a .01 level of significance.
b) A medical research team at the...
WHO is examining the improvement in life expectancy in an underdeveloped country. Historical data for the...
WHO is examining the improvement in life expectancy in an
underdeveloped country. Historical data for the population shows a
population mean life expectancy of 58.3 years, and with a
population standard deviation of 4.52 years. A recent sample of 75
people produced a sample mean of 60.8 years and a sample standard
deviation of 2.84 years. Evaluate H0: μ ≤ 58.3 and
HA: μ > 58.3 at a .01 level of significance.
A medical research team at the Johns Hopkins...
A group of researchers want to determine if there are any significant differences in life expectancy...
A group of researchers want to determine if there are any
significant differences in life expectancy between smokers and
nonsmokers. They test this question with a sample of 62 nonsmokers,
where the average life expectancy was 78 years (SS = 2200), and a
sample of 50 smokers, where the average life expectancy was 68
years (SS = 2300). Use a confidence interval (where α = .01) for
the appropriate statistical test to determine if there is a
significant difference in...
24. The difference between the life expectancy and healthy adjusted life expectancy is a measure of...
24. The difference between the life expectancy and healthy
adjusted life expectancy is a measure of the average equivalent
number of years lost due to:
bad health and disability.
a bad economy.
bad health excluding disability.
death of a breadwinner in the family.
to disability excluding bad health.
Identify the coverage that fills in the coverage gap that
arises when the negligent party meets the financial responsibility
law of the state, but the auto accident victim has losses in excess...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- Assume you are working at Healthy Food company. Your job is to receive food delivery from...
- A system contains a 0.1 molar solution of NaCl and a 0.01 M solution of NaCl...
- The following tables shows 5 year returns of different funds Mutual Fund Annual Return (%) Year...
- According to the textbook, segmentation variables can be grouped into the following categories: geographic, demographic, psychographic...
- do you think there is the difference between guerrilla marketing and public relationship? Why or why...
- What the eleven project control cycle that makes a project successful? Why control and evaluate projects?...
- 5) Three capacitors, all initially without any dielectrics inserted, of C1 = 3 micro-farads, C2 =...
ADVERTISEMENT