OUR TEAM

LAB 3A WRITE-UP

Descriptive Statistics

Pulse Oximeter Statistics: mean: 94.87 bpm standard deviation:23.42 bpm SE: 1.27957129 bpm

Spree Heart Rate Statistics: mean: 92.29 bpm standard deviation: 22.18 bpm SE: 1.437716 bpm

Oral Thermometer Statistics: mean: 97.36 Degrees Fahrenheit standard deviation:2.778 Degrees Fahrenheit SE: .1368622 Degrees Fahrenheit

Spree Thermometer Statistics: mean:98.72 Degrees Fahrenheit standard deviation:.5473 Degrees Fahrenheit SE: .0277136 Degrees Fahrenheit

Results

Graphs with Stats:

Heart Rate:

(ignore the one tail results above)

The reason we chose to do a t-test is because there are two variables in the data set.

Temperature:

Yes, there is a significant difference between the P-values of heart rate and temperature. The P-value of temperature is very small, this shows that the data had several trials which showed a consistent trend in body temperature between trials. The P-value of the heart rate was rather large in comparison to the P-value of body temperature. The large P-value of the heart rate shows that data was not consistent between trials. An explanation for the large P-value of heart rate is the collection of heart rate data. The spree did not accurately measure heart rate due to the position of the spree on the body (on the forehead). To ensure an accurate measurement of heart rate, the Spree would need to be located on a place where heart rate could be better measured, a place like the wrist.

Analysis

Correlation:

Oral Temperature vs. Spree Temperature: -.059 Heart Rate Gold Standard vs. Spree Heart Rate: .61

Error Bars:

Summary/Discussion

In regards to design flaws, it measured the temperature in an extremely generalized way; omitting a numerical value, the Spree only provided a color indicator that gave no quantitative insight. Furthermore, having the Spree located on the forehead presents it’s own set of problems. Accurate temperature readings are typically achieved when the measurement device is somewhat internal (such as oral thermometers), so having the Spree as a completely external device is a design flaw that equates to inaccurate measurements. Actually making the Spree an internal device would be difficult, since it’s a commercial product. Therefore, a recommendation for this design flaw is to position the Spree closer to the core of the body, as it would provide more reliable measurements. Another design flaw is the fact that a person who is working out cannot use the Spree band without their Bluetooth phone with them. There are plenty of people who would rather workout without worrying about what to do with their phones that it becomes a huge inconvenience. A way to fix this problem would be to program the device in such a way so that the device is recording data at all times.

LAB 3B WRITE-UP

Target Population and Need

Target Population: Available to everyone but targets people who are prone to strokes, heart attacks, older people, people w/ unhealthy lifestyles. Ages 40+ There are 80 million people based on population data of 2014

Specific needs of the target population:Heart attacks strokes and seizures cause significantly more damage if they are not treated in time, by alerting the patient early we are drastically increasing their chance of living and having less damage.