| Level | Mean | Standard deviation | n | Standard error |
|---|---|---|---|---|
| 1 | 95.00000 | 3.039737 | 5 | 1.359412 |
| 2 | 82.60000 | 4.962022 | 4 | 2.481011 |
| 3 | 81.10833 | 7.784434 | 6 | 3.177982 |
The ratio of the largest group standard deviation to the smallest is 2.56
When boxplots are not included, it is because at least one group size is too small.
Warning in dotplot.formula(Temperaturas ~ Hornos, xlab = "Temperaturas", : The
dotplot command is a wrapper for stripchart, and is not a base R function.
This graph has 3 dotplots printed horizontally
with the title:
"" appears on the x-axis.
"" appears on the y-axis.
Tick marks for the x-axis are at: 75, 80, 85, 90, and 95
the data that range from 71.85 to 98.3 has been broken into 6 bins.
The counts are:
1: 0 0 0 0 3 2
2: 0 2 1 1 0 0
3: 2 1 1 1 1 0
The p value for Hornos is 0.0048
The ratios of the group standard deviations to the overall standard deviation
(groups ordered by increasing mean) are:
0.52 0.84 1.33
Df Sum Sq Mean Sq F value Pr(>F)
Hornos 2 594.5 297.27 8.62 0.00478 **
Residuals 12 413.8 34.48
---
Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
Bartlett test of homogeneity of variances
data: Temperaturas by Hornos
Bartlett's K-squared = 3.0983, df = 2, p-value = 0.2124
Fligner-Killeen test of homogeneity of variances
data: Temperaturas by Hornos
Fligner-Killeen:med chi-squared = 6.0678, df = 2, p-value = 0.04813
For term Hornos the comparisons which are significant at 5% are:
1 and 3 with a difference of 13.89 and P-value of 0.0055
1 and 2 with a difference of 12.4 and P-value of 0.0213
Tukey multiple comparisons of means
95% family-wise confidence level
factor levels have been ordered
Fit: aov(formula = Temperaturas ~ Hornos, data = Temp)
$Hornos
diff lwr upr p adj
2-3 1.491667 -8.621076 11.60441 0.9187473
1-3 13.891667 4.405073 23.37826 0.0054661
1-2 12.400000 1.890529 22.90947 0.0212703
