Statistics and Difference

We conduct an independent sample t-test using Excel, and obtain the following output (see t-test-height)

The lab uses the measurements of a wooden dowel in length and diameter to collect data in order to interpret data in report form. The data is used to produce statistical data and how to correctly present it. A ruler and micrometer were used to measure the dimensions. Spreadsheets are then constructed in order to generate standard deviation, mean, median, mode, frequency, as well as variation of length, diameter, volume, and cross sectional area of the

“ Statistics should be interpreted with caution as they can be misleading; they can both lie and tell the truth”

Use the Internet or Strayer Library to research articles on hypothesis test and its application in business. Select one (1) company or organization which utilized hypothesis test

|• Occupational health- Illnesses caused or made worse by work such as dust, cleaning agents, diseases etc. |

The survey identified hazards to emanate from the following areas. The paint shop where chemical exposures were high as a result of the fumes generated when painting cars. It was identified that paint fumes are very toxic and could result in chronic medical conditions when employees are not well protected. The body shop was the second area that was identified for hazards. There were numerous machinery and many tools of work that were heavy, sharp, and dangerous. Especially the vehicle lifts, car rampsand, and other socialized tools. These presented possible injuries resulting from collusions and falling objects. The body workshop was a

A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a difference between the effectiveness for women and for men. Using   = .05, what is the value the test statistic?

To perform a certain type of blood analysis, lab technicians must perform two procedures. The first procedure requires either one or two separate steps, and the second procedure requires either one, two, or three steps.

In this mathematical circumstance, it is appropriate to use the Normal Model with this data distribution because of how roughly symmetric and unimodal. The summary statistics for the OB Math SAT scores are as follow: the number of values is 287, the mean of the data is 553.62369, the standard deviation is of approximately 65.984512, the median of the data is 540, the range of the data is 390, the minimum value is 360, the maximum value is 750, the first quartile of the data is 510, and the second quartile of the data is 590. To calculate the percent of students that had an SAT math score higher than 560, I used the z-score formula which is z-score= raw score- mean/ standard deviation and plugged the values for each variable. After

The aim of this paper is to research and study the structural behavior of clay brick masonry and analyse the damages on the UniSA Law building. This will lead to an understanding of what factors led to the failures and propose an approach of how it can be fixed.

In this report, the chronological findings on the micro crack influence (linear and diffuse) will be discussed and presented.

When voltage was measured the nail covered with zinc had the highest average voltage of 0.695267 V followed by Magnesium with 0.307733 volts and the controlled iron alloy had the smallest voltage, 0.2572 V. When current was measured zinc produced the highest current (160.2733 A) followed by Magnesium (52.6733 A) and the smallest was again the control (19.27 A). As shown in the above tables 1 and 2 the mean and median were quite similar throughout testing besides magnesium which wasn’t as close as the others. Explain what that means

The Chi-Sq Distribution was used. From observation of Chi-Square Tests, there is slight Association between the Community Hazard Vulnerability Level, whether or "Not Hazard Rating". These Chi-Square Tests show some Association between the Community Hazard Vulnerability Level and the Local Hazard Mitigation Plans. The Chi-Sq Value of 5.53 is the actual statistics.

After conducting the experiment, statistical analysis was done to see how the observed results compared to expected results (hypotheses). ). The data was obtained from blackboard and put it into Excel along minute intervals of 1-20. A table was set up in excel to include 5 replicates, average temperatures,

The HSE demanded a statistical report and analysis of the laboratory data, which could be used as evidence of particular sectors of chemical industry causing potential health hazards for their employees. For the purpose of this analysis a sample of people coming from four different sectors of chemical industry had their blood tested for LDH-1 and LDH-5 levels (Intercellular enzyme that determines cell damage in various organs). The degree of organ damage, in this case liver damage, can be simply assessed by looking at the values of the ratio of those two enzymes: the higher the ratio of LDH-1 and LDH-5 is, the worse the degree of liver damage is (nurseslearning.com). This is how we can compare worker’s health state and