Question
DATASET LOACTAION:(Dental Hardness data) https://docs.google.com/spreadsheets/d/1wei35LiG1aMLNhD1-nycU9cBbYRDFMX_/edit?usp=sharing&ouid=110978125633473056861&rtpof=true&sd=true (Show statistical data and calculation to prove your claim) Dental implant data:The hardness of metal implant in dental cavities depends
DATASET LOACTAION:(Dental Hardness data)
https://docs.google.com/spreadsheets/d/1wei35LiG1aMLNhD1-nycU9cBbYRDFMX_/edit?usp=sharing&ouid=110978125633473056861&rtpof=true&sd=true
(Show statistical data and calculation to prove your claim)
Dental implant data:The hardness of metal implant in dental cavities depends on multiple factors, such as the method of implant, the temperature at which the metal is treated, the alloy used as well as on the dentists who may favors one method above another and may work better in his/her favorites method. The response is the variable of interest.
- Test whether there is any difference among the dentists on the implant hardness. State the null and alternative hypotheses. Note that both types of alloys cannot be considered together. You must state the null and alternative hypotheses separately for the two types of alloys.?
- Before the hypotheses may be tested, state the required assumptions. Are the assumptions fulfilled? Comment separately on both alloy types.?
- Irrespective of your conclusion in 2, we will continue with the testing procedure. What do you conclude regarding whether implant hardness depends on dentists? Clearly state your conclusion. If the null hypothesis is rejected, is it possible to identify which pairs of dentists differ?
- Now test whether there is any difference among the methods on the hardness of dental implant, separately for the two types of alloys. What are your conclusions? If the null hypothesis is rejected, is it possible to identify which pairs of methods differ?
- Now test whether there is any difference among the temperature levels on the hardness of dental implant, separately for the two types of alloys. What are your conclusions? If the null hypothesis is rejected, is it possible to identify which levels of temperatures differ?
- Consider the interaction effect of dentist and method and comment on the interaction plot, separately for the two types of alloys?
- Now consider the effect of both factors, dentist, and method, separately on each alloy. What do you conclude? Is it possible to identify which dentists are different, which methods are different, and which interaction levels are different?
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