Help asap i will give brainliest

Mathematics

2 answers:

Gemiola [76]3 years ago

7 0

Answer:

middle one

Step-by-step explanation:

Varvara68 [4.7K]3 years ago

6 0

Answer:

true

false

Step-by-step explanation:

ik the first one but maybe the lats two but im not sure

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A right circular cylinder with a radius of 2.3cm and a height of 1.4cm has a total surface area of

likoan [24]

Answer:

i think 6.44

Step-by-step explanation:

first the diameter is 4.6 then multiply the 4.6 with 1.4 and u obtaine 6.44 (note:iam not sure iam still in seven grade)

4 0

2 years ago

The distribution of the test statistic for analysis of variance is the F-distribution. true or false

lubasha [3.4K]

Answer:

True. See explanation below

Step-by-step explanation:

Previous concepts

Analysis of variance (ANOVA) "is used to analyze the differences among group means in a sample".

The sum of squares "is the sum of the square of variation, where variation is defined as the spread between each individual value and the grand mean"

If we assume that we have $k$ groups and on each group from $j=1,\dots,k$ we have $k$ individuals on each group we can define the following formulas of variation: