Card 1
Question
what is mode?
Answer
the value that apears the most in the list
Stats 1
Discover Stats 1: 12 flashcards with questions and answers.
- Subject
- Sciences / Statics
- Language of creation
- English
12 flashcards
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Cards in this set
Card 2
Question
what is modal class?
Answer
class with the majority of values
Card 3
Question
What is ungrouped data?
Answer
data that does not appear in a table
Card 4
Question
n=
Answer
number of values
Card 5
Question
median is calulated...
Answer
for odd numbers its (n+1/2)th value
for even numbers its (n/2)th value and (n/2+1) value sumed and devided by two.
Card 6
Question
range is
Answer
maximum- minimum
Card 7
Question
how is mean calculated for ungrouped data?
Answer
sum of x devided by n
Card 8
Question
how is standard devitaion calculated for ungrouped data?
Answer
sum of x^2 devided by n - mean^2
Card 9
Question
what is variance?
Answer
standard deviation^2
Card 10
Question
what is coded data?
Answer
data that was somehow changed,
like all values lowered for 5, or increased for 10
Card 11
Question
what is uncoded data?
Answer
unchanged version of data
Card 12
Question
how do standard deviation/varience vary for coded/uncoded data?
Answer
standard deviation/ varience are the same for coded and uncoded data
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