CPH Exam with all Correct & 100% Verified Answers |
Actual Complete Exam |Already Graded A+
1. A. Continuous A
B. Dichotomous
C. Ordinal
D. Nominal
2. What would be an example of an ordinal variable that C
Jackie could have obtained information on?
A. Right handed or Left Handed
B. Type of Afterschool activity in which the
student participated
C. Grade Level: elementary, middle high
school, fresh- man, sophomore, junior, senior
D. number of minutes of commute each
morning to school
3. ordinal variables (categorical) categorical variables
for which the categories
have a natural
ordering
4. If Jackie had 713 students in both groups, could
she
B use a matched paired t-test with the above
data to determine if the differences in mean are
meaningful?
A. Yes
B. No
5. matched paired t test A statistical procedure
where subjects are
,CPH Exam with all Correct & 100% Verified Answers |
Actual Complete Exam |Already Graded A+
matched in pairs and
dif- ferences are
calculated. Usually to
see if the mean
, CPH Exam with all Correct & 100% Verified Answers |
Actual Complete Exam |Already Graded A+
is 0.
Hypothesis, null, etc.
6. Jackie Calculated a point estimate and margin of
error C of the mean age of the vaccinated group
as 15.5 +- 0.7. What would be the center value of
the 90% confidence interval?
A. 14.4
B. 20.1
C. 15.5
D Can't be determined from the information given
7. Would a 99% confidence interval be wider this
than, the same, or narrower than the 95% informa-
confidence interval? tion, we
can
8. What would be the best method for assume
visualizing the number of sick days in each what about
group? the
A. Box and Whisker distribution
B. Pie Chart for this
C. Histogram variable?
D. Bar chart A. Left
Skewed
9. If Jackie collected data on household income
to de- termine if there was significant
difference between vaccinated and
unvaccinated, then performed a test with
income as the dependent variable what would
her null hypothesis be?
10. The mean age of the vaccinated group is 15.5
years, but the median age is 13.9 years. From
, CPH Exam with all Correct & 100% Verified Answers |
Actual Complete Exam |Already Graded A+
Wider than the 95% confi- dence interval
A
Hο: μ (income vaccinated)
= μ (income unvaccinated)
B
Actual Complete Exam |Already Graded A+
1. A. Continuous A
B. Dichotomous
C. Ordinal
D. Nominal
2. What would be an example of an ordinal variable that C
Jackie could have obtained information on?
A. Right handed or Left Handed
B. Type of Afterschool activity in which the
student participated
C. Grade Level: elementary, middle high
school, fresh- man, sophomore, junior, senior
D. number of minutes of commute each
morning to school
3. ordinal variables (categorical) categorical variables
for which the categories
have a natural
ordering
4. If Jackie had 713 students in both groups, could
she
B use a matched paired t-test with the above
data to determine if the differences in mean are
meaningful?
A. Yes
B. No
5. matched paired t test A statistical procedure
where subjects are
,CPH Exam with all Correct & 100% Verified Answers |
Actual Complete Exam |Already Graded A+
matched in pairs and
dif- ferences are
calculated. Usually to
see if the mean
, CPH Exam with all Correct & 100% Verified Answers |
Actual Complete Exam |Already Graded A+
is 0.
Hypothesis, null, etc.
6. Jackie Calculated a point estimate and margin of
error C of the mean age of the vaccinated group
as 15.5 +- 0.7. What would be the center value of
the 90% confidence interval?
A. 14.4
B. 20.1
C. 15.5
D Can't be determined from the information given
7. Would a 99% confidence interval be wider this
than, the same, or narrower than the 95% informa-
confidence interval? tion, we
can
8. What would be the best method for assume
visualizing the number of sick days in each what about
group? the
A. Box and Whisker distribution
B. Pie Chart for this
C. Histogram variable?
D. Bar chart A. Left
Skewed
9. If Jackie collected data on household income
to de- termine if there was significant
difference between vaccinated and
unvaccinated, then performed a test with
income as the dependent variable what would
her null hypothesis be?
10. The mean age of the vaccinated group is 15.5
years, but the median age is 13.9 years. From
, CPH Exam with all Correct & 100% Verified Answers |
Actual Complete Exam |Already Graded A+
Wider than the 95% confi- dence interval
A
Hο: μ (income vaccinated)
= μ (income unvaccinated)
B
