Construct an f-test to compare average logincome

Assignment Help Applied Statistics

Reference no: EM131307445

You have been instructed to complete a practice RStudio assignment that installs all packages necessary to complete your RStudio assignments. Be sure to complete that assignment first before proceeding.

1. In week02, you were assigned a number between 01 and 60. Work with the file that corresponds to your number. Your data is a subset of 100 observations for a larger data set described at

https://statweb.stanford.edut-libs/ElemStatLearn/datasets/marketing.info.btt .

1. Construct an F-test to compare average logincome by Age Group using analysis of variance. Try to do this with JMP. (Note: the log of the incomes is log base 10)

2. Construct an F-test to compare average logincome by DuallncQ, the categorical variable categorizing dual incomes (not married, yes or no) using analysis of variance. Try to do this with JMP.

3. Construct a contrast for comparing the married persons with dual incomes with those married persons without dual incomes (the yes and no levels of DuallncQ) and develop a 95% confidence interval for this contrast using both the Bonferroni and Scheffe methods.

4. Construct a contrast for comparing the married and not married levels of DualIncQ and develop a 95% confidence interval for this contrast using both the Bonferroni and Scheffe methods.
2. Then complete Exercise 8.2 in Oehlert(2000)

Temperature

Days	22	24	26	28	Row Means
1	39.4	49.9	55.1	59.5	50.98
2	56.4	68.0	76.4	88.8	72.40
3	70.2	81.5	95.6	99.6	86.72
Column Means	55.33	66.47	75.70	82.63
Grand Mean	70.03

An experiment was conducted to determine the effect of germination time (in days) and temperature (degrees C) on the free alpha amino nitrogen (FAN) content of rice malt. The values shown in the following are the treatment means of FAN with n = 2 (data from Aniche and Okafor 1989).

The total sum of squares was 8097. Draw an interaction plot for these data. Compute an ANOVA table and determine which terms are needed to describe the means.

Attachment:- marketdat.xls

Reference no: EM131307445

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