MATH225
Week 7 Lab Assignment
Name: Instructor Name:
Please use this template to help answer the questions listed in the lab
instructions. The “steps” below refer to the steps listed in the lab
instructions. Type your answers and post your screenshots in the
spaces given.
Summary of Articles
Write a few complete sentences summarizing what you learned from
the articles provided.
A. Summary of Article #1 – Confidence Interval 1
Confidence intervals are frequently used to provide the range for
population mean and percentage values. The confidence levels used
are 95%, 90%, 98%, and 99%.
B. Summary of Article #2 – Confidence Interval 2
Article 2 explains that researchers are able to find the confidence
interval of two studies and their separate means.
C. How do you think confidence intervals can be used in health
sciences? Use the articles to inspire and support your answer.
Condfidence intervals can be used in health sciences in research
of different medication success rates, clinical decison making, and
comparing treatment groups.
, 1
Data Collection
Use the data set you collected for the Week 5 lab (heights of 10
different people plus the 10 heights provided by your instructor).
(NOTE: This is NOT the data used in the lab video, which is about
midterm grades. Do not use the midterm grades data.)
Instructor 62 62 62 63 65 67 68 69 69 73
Provided
My own 59 62 62 65 67 69 69 71 71 72
For the remainder of this lab, treat the 20 numbers as ONE sample.
Provide a screenshot of your Week 5 Data (20 Heights) from the Week
6 Spreadsheet Sample Mean and Standard Deviation tab (be sure that
your mean, standard deviation, and all 20 data values from the
spreadsheet are visible).
Summarize the Preliminary Calculations (Round to 2 decimal
places): Sample Mean: 66.35
2
Week 7 Lab Assignment
Name: Instructor Name:
Please use this template to help answer the questions listed in the lab
instructions. The “steps” below refer to the steps listed in the lab
instructions. Type your answers and post your screenshots in the
spaces given.
Summary of Articles
Write a few complete sentences summarizing what you learned from
the articles provided.
A. Summary of Article #1 – Confidence Interval 1
Confidence intervals are frequently used to provide the range for
population mean and percentage values. The confidence levels used
are 95%, 90%, 98%, and 99%.
B. Summary of Article #2 – Confidence Interval 2
Article 2 explains that researchers are able to find the confidence
interval of two studies and their separate means.
C. How do you think confidence intervals can be used in health
sciences? Use the articles to inspire and support your answer.
Condfidence intervals can be used in health sciences in research
of different medication success rates, clinical decison making, and
comparing treatment groups.
, 1
Data Collection
Use the data set you collected for the Week 5 lab (heights of 10
different people plus the 10 heights provided by your instructor).
(NOTE: This is NOT the data used in the lab video, which is about
midterm grades. Do not use the midterm grades data.)
Instructor 62 62 62 63 65 67 68 69 69 73
Provided
My own 59 62 62 65 67 69 69 71 71 72
For the remainder of this lab, treat the 20 numbers as ONE sample.
Provide a screenshot of your Week 5 Data (20 Heights) from the Week
6 Spreadsheet Sample Mean and Standard Deviation tab (be sure that
your mean, standard deviation, and all 20 data values from the
spreadsheet are visible).
Summarize the Preliminary Calculations (Round to 2 decimal
places): Sample Mean: 66.35
2
