here as std deviation for both the temperature records are same ; hence pooled std deviation for difference in temperature will remain same,
here estimated mean difference =5.5-5.7=-0.2
therefore 95% confidence interval for mean difference =estimated mean difference -/+2*std deviation
=-0.2 -/+ 2*0.06 =-0.32 to -0.08
as confidence interval values are all below 0 which represent that there is statistically significant difference change in annual mean temperature over these two periods
In the first half of a multi-year temperature record at some location, the mean temperature and...
Hello if someone could help me with this multi part probably for the statistics? Thank you! Question 32q: A researcher is comparing two different weight-loss drugs. She splits her study participants into two halves randomly; every day for a month, one half (Group 1) takes Drug 1, and the other half (Group 2) takes Drug 2. She measures the total weight loss, in pounds, of each participant. A) Total Weight Loss of Each Participant at the end of the study...
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Multi part question set
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Thank you!! Telecommuting - 1, NUMERICAL ANSWER There are 5 questions in this set. As you proceed through these questions, use necessary information in the previous questions. In the year 2023, a labor economist is interested in the change in the fraction...
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6. YChapter 11) In a pediatric clinic, a study is carried out to see how effective aspirin is in reducing temperature. Five 4-year-old children suffering from influenza had their temperature taken immediately before and 1 hour before administration of aspirin. Assuming the normality of data, we constructed 99% confidence interval for the mean difference in temperature before/after taking an aspirin. The 99% confidence interval is (-0.75, 3.95). If you perform the hypothesis test, what...
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You are a field engineer working for Far North Arctic Insulates Inc. Your company has come up with a new insulation material to be used under road beds to keep the permafrost from warming during the summer months. Since this material is quite costly, you want to be able to use the least amount of material (i.e. smallest thickness possible). You have collected the following temperature data in degrees-Fahrenheit)...
You are a field engineer working for Far North Arctic Insulates Inc. Your company has come up with a new insulation material to be used under road beds to keep the permafrost from warming during the summer months. Since this material is quite costly, you want to be able to use the least amount of material (i.e., smallest thickness possible). You have collected the following temperature data (in degrees-Fahrenheit) from thermistor readings at a depth of seven feet at eight...
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summatize the following info and break them into differeng key points. write them in yojr own words
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summarizr the followung info and write them in your own words and break them into different key points. 6.5 Metering Chamber: 6.5.1 The minimum size of the metering box is governed by the metering area required to obtain a representative test area for the specimen (see 7.2) and for maintenance of reasonable test accuracy. For example, for specimens incorporating air spaces or stud spaces, the metering area shall span an integral number of spaces (see 5.5). The depth of...
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