Here are summary stalistics for the weights of Pepsi in rindomy selected cans: = 36, x = n = 0.82412lb, s = 0.00572lb. Use a corfidenco level of 95% to complete parts (a) through (d) below. a. identity the critical value t, tw used for finding the margin of 2 error. tn 2 == (Round io two decimal places as needed.)
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- Find the mean hourly cost when the cell phone described above is used for 240 minutes.aChen -. M Gmail YouTube Maps oscar - Google D... Translate New Tab ece Gler 2/6 100% SID: 2. A researcher is studying the relationship between various properties of wine and their taste characteristics. The histogram below shows the amount of residual sugar (sugar left after fermentation) in a collection of wines. However, one of the bars, between 3 and 5 grams per liter, is missing. 50 (47.9) (38.7) 30 10 (0.1) (0.92) (0.1) 2 10 15 Residual sugar (grams/liter) Calculate the height of the missing bar and draw it in. (Show your work below, and indicate the numerical value in parentheses above the bar.) % per gramltera certain brand produces box with weight of 100 gr.the average weight of 20 samples equals to 102 gram. distribution of the weight of the boxes is 1.25. Conduct a test about the standart weight of the boxes. does the product still weight 100gram or heigher? Write the z value which you should use for comparison.
- Name the scale of measurement for each of the above variablesPressure of a container filled with nitrogen gas has been measured 9 times. The result is listed below in kPa: 228.2 224.2 231.2 229.6 228.3 231.1 230.9 227.9 227.6 Calculate the range of precision of the pressure measurement device. Using an Excel worksheet is encouraged but not necessary. Report the result in percentage. Do not type the percentage sign. Report the result to 3 significant figures. Do not enter + or - signs.Glaucoma is a leading cause of blindness in the United States, N. Ehlers measured the difference in corneal thickness (in microns) between the two eyes of eight patients. Each patient had one eye that had glaucoma and one eye that was normal. The difference was measured as the corneal thickness of normal eye – corneal thickness of eye with Glaucoma. Corneal thickness is important because it can mask an accurate reading of eye pressure. Use ? = .05. Hypothesis: H0: μd=0Ha: μd≠0 Using output Test statistics : t=0.134P value=0.897 Degrees of freedom (df): df=7 Level of significance: α=0.05 Decision: P value > 0.05 thus we fails to reject null hypothesis. Question a)Write a report summarizing your findings. When writing the report consider that medical staff estimate that a difference of 4.5 microns or more could impact on their ability to interpret eye pressure correctly. b) Define for the hypothesis stated in part b) what a type 1 error and type 2 error would mean. Is it possible…
- Glaucoma is a leading cause of blindness in the United States, N. Ehlers measured the difference in corneal thickness (in microns) between the two eyes of eight patients. Each patient had one eye that had glaucoma and one eye that was normal. The difference was measured as the corneal thickness of normal eye – corneal thickness of eye with Glaucoma. Corneal thickness is important because it can mask an accurate reading of eye pressure. Use ? = .05. Q) If a participant has the same corneal thickness in their normal eye as the eye with Glaucoma, what would be the value for difference: measured as the corneal thickness of normal eye – corneal thickness of eye with Glaucoma.Glaucoma is a leading cause of blindness in the United States, N. Ehlers measured the difference in corneal thickness (in microns) between the two eyes of eight patients. Each patient had one eye that had glaucoma and one eye that was normal. The difference was measured as the corneal thickness of normal eye – corneal thickness of eye with Glaucoma. Corneal thickness is important because it can mask an accurate reading of eye pressure. Use ? = .05 H0: μd=0 H1: μd≠0 T statistic: t = 1.053, P value = 0.327 Degrees of Freedom n-1 = 8-1= 7 critical value 2.3646 If t is less than 2.3646, or greater than 2.3646, reject the null hypothesis Level of significance: α=0.05 question: what a type 1 error and type 2 error would mean. Is it possible that we could have committed a type 2 error in conducting the testGlaucoma is a leading cause of blindness in the United States, N. Ehlers measured the difference in corneal thickness (in microns) between the two eyes of eight patients. Each patient had one eye that had glaucoma and one eye that was normal. The difference was measured as the corneal thickness of normal eye – corneal thickness of eye with Glaucoma. Corneal thickness is important because it can mask an accurate reading of eye pressure. Use ? = .05. Q)Conduct a hypothesis test to determine if there is sufficient evidence to conclude that corneal thickness is different in normal eyes compared to eyes with glaucoma? Write up your results using the 8 steps.
- Glaucoma is a leading cause of blindness in the United States, N. Ehlers measured the difference in corneal thickness (in microns) between the two eyes of eight patients. Each patient had one eye that had glaucoma and one eye that was normal. The difference was measured as the corneal thickness of normal eye – corneal thickness of eye with Glaucoma. Corneal thickness is important because it can mask an accurate reading of eye pressure. Use ? = .05. If a participant has the same corneal thickness in their normal eye as the eye with Glaucoma, what would be the value for difference: measured as the corneal thickness of normal eye – corneal thickness of eye with Glaucoma.Reter to the mensured systolic and diastolic biood pressure mensurements of 40 andomty seiected meies and test the caimthet among men, there isa comeiation betveen systolie biood pressure and diestolic Diood pressure. Test for rank comreiation with a 0.05 sgnifcance level m Click the icon to view the blood pressure deta for men. Determine the nul and stemetive hypotheses for this test Choose the comect ansver below OA M0 O. M0 OD. HA0 Determine the coreietion coefficient -O Round to mree decimal piaces as nences) Derermine the ortical values of the comeistion coeftcient. Round to three decimal pisces as neeses. Usea comma to secarte anses as neeses) Chocse he comect enser below OA Faltoreject the nul typothesis. There is sufcient evidence to support the caimthet thereisa comiation beteen systolic and diastolic biood pressure in men. OB Reecthe nul hypothesis There is sufcient evidence to support the cam thet there is comeistion betveen systolic and diestolic biood pressure in men. OC.…A researcher is interested in assessing the effects of a newly developed "smart" pill on patients' perceived mathematical abilities at three different time points. Patients are asked to rate their own levels of math skill from 1 - 8 before taking the pill, after 3 months of pill taking, and after 6 months of pill-taking. She collects the following data: Patient A B C D E Treatment totals SS Source Between treatments Within treatments Between Subjects Error Total Before SS 6 5.5 7.0 6.8 7.8 33.1 3.21 3 months 6.7 6.8 df 7.9 Conduct an ANOVA for these data. You may use the summary table example below to help organize your data. 7.1 7.5 36 1 6 months 5.4 MS 5.0 6.9 6.0 6.3 29.6 2.23 F