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Nutritional information on vanilla and chocolate ice cream from a sample of companies.

Format

A data frame with 39 observations on the following 7 variables.

Brand

Brand name

VanillaCalories

Calories per serving in vanilla

VanillaFat

Fat per serving (g) in vanilla

VanillaSugar

Sugar per serving (g) in vanilla

ChocCalories

Calories per serving in chocolate

ChocFat

Fat per serving (g) in chocolate

ChocSugar

Sugar per serving (g) in chocolate

Source

Data collected by Carleton student Ann Butkowski (2008).

Examples


head(Icecream)
#>            Brand VanillaCalories VanillaFat VanillaSugar ChocCalories ChocFat
#> 1 Baskin Robbins             260       16.0         26.0          260      14
#> 2  Ben & Jerry's             240       16.0         19.0          260      16
#> 3     Blue Bunny             140        7.0         12.0          130       7
#> 4        Breyers             140        7.0         13.0          140       8
#> 5      Brigham's             190       12.0         17.0          200      12
#> 6          Bulla             234       13.5         21.8          266      15
#>   ChocSugar
#> 1      31.0
#> 2      22.0
#> 3      14.0
#> 4      16.0
#> 5      18.0
#> 6      22.6
t.test(Icecream$VanillaCalories, Icecream$ChocCalories, paired = TRUE)
#> 
#> 	Paired t-test
#> 
#> data:  Icecream$VanillaCalories and Icecream$ChocCalories
#> t = -3.5414, df = 38, p-value = 0.001071
#> alternative hypothesis: true mean difference is not equal to 0
#> 95 percent confidence interval:
#>  -11.525296  -3.141371
#> sample estimates:
#> mean difference 
#>       -7.333333 
#>