A field experiment designed as a RCBD to investigate the effects of four different types of fungicides (F1, F2, F3, F4) on the yield of potatoes with untreated plots (negative control) was conducted. The following table shows the data: Treatment Block Control F1 F2 F3 F4 1 377 527 633 642 623 408 604 600 708 550 3 500 606 650 662 562 4 333 533 567 504 667 Show your solution screenshot ofresults from PAST or minitab. Perform all tests at the 5% level of significance. a. Is there evidence of a difference in effects among four types of fungicides on the yield of potatoes at the 5% level of significance? Perform ANOVA (from hypotheses to conclusion. b. Has blocking been beneficial at the 5% level of significance? c. Check for the homogeneity of variance assumption. d. If necessary, perform Tukey's test. Show your solution from hypotheses to conclusion. Write the summary table showing the mean per treatment and the appropriate superscripts.

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A field experiment designed as a RCBD to investigate the effects of four different types of fungicides
(F1, F2, F3, F4) on the yield of potatoes with untreated plots (negative control) was conducted. The
following table shows the data:
Treatment
Block
Control
F1
F2
F3
F4
1
377
527
633
642
623
2
408
604
600
708
550
3
500
606
650
662
562
4
333
533
567
504
667
Show your solution screenshot ofresults from PAST or minitab. Perform all tests at the 5% level of
significance.
a. Is there evidence of a difference in effects among four types of fungicides on the yield of
potatoes at the 5% level of significance? Perform ANOVA (from hypotheses to conclusion.
b. Has blocking been beneficial at the 5% level of significance?
c. Check for the homogeneity of variance assumption.
d. If necessary, perform Tukey's test. Show your solution from hypotheses to conclusion.
Write the summary table showing the mean per treatment and the appropriate superscripts.
Transcribed Image Text:A field experiment designed as a RCBD to investigate the effects of four different types of fungicides (F1, F2, F3, F4) on the yield of potatoes with untreated plots (negative control) was conducted. The following table shows the data: Treatment Block Control F1 F2 F3 F4 1 377 527 633 642 623 2 408 604 600 708 550 3 500 606 650 662 562 4 333 533 567 504 667 Show your solution screenshot ofresults from PAST or minitab. Perform all tests at the 5% level of significance. a. Is there evidence of a difference in effects among four types of fungicides on the yield of potatoes at the 5% level of significance? Perform ANOVA (from hypotheses to conclusion. b. Has blocking been beneficial at the 5% level of significance? c. Check for the homogeneity of variance assumption. d. If necessary, perform Tukey's test. Show your solution from hypotheses to conclusion. Write the summary table showing the mean per treatment and the appropriate superscripts.
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