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41 Cards in this Set
- Front
- Back
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The science of collecting, describing, and interpreting data
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Stats
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STATS
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THE SCIENCE OF COLLECTING, DESCRIBING, AND INTERPRETING DATA
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A COLLECTION, OR SET, OF INDIVIDUALS, OBJECTS, OR EVENTS, WHOSE PROPERTIES ARE TO BE ANALYZED
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POPULATION
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WHAT YOU WOULD LIKE TO STUDY IS CALLED
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A POPULATION
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E.G. ALL MSU STUDENTS
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POPULATION
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SET OF ALL STUDENTS WHO HAVE EVER ATTENDED A U.S. COLLEGE
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POPULATION
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SET OF REDWOOD TREES IN CA
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POPULATION
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WHAT IS A SAMPLE
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A SUBSET OF A POPULATION
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e.g. A SET OF 20 MSU STUDENTS
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A SAMPLE OF MSU COLLEGE STUDENTS
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WHAT IS A PARAMETER
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NUMERICAL VALUE SUMMARIGING ALL THE DATA
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EX: THE AVERAGE AGE FOR ALL MSU STUDENTS
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PARAMETER
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WHEN DO U USE A GREEK LETTER ?
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TO SYMBOLYIZE THE NAME OF A PARAMETER
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WHAT IS A STATISTIC
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A NUMERICAL VALUE IN SUMMARIZING THE SAMPLE DATA
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WHEN DO YOU US ALPHANUMERIC LETTERS?
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IN THE SAMPLE DATA
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WHAT IS A VARIABLE
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A CHARACTERISTIC ABOUTY EACH INDIVIDUAL ELEMENT OF A POPULATION OR SAMPLE
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GIVE EXAMPLES OF VARIABLES
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STUDENT'S AGE THAT ENTER COLLEGE
THE COLOR OF THE STUDENT'S HAIR, THE STUDENT'S HEIGHT STUDENT'S WEIGHT |
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WHAT IS THE DATA VARIABLE
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THE VALUE OF THE VARIABLE OSSOCIATED ONE ELEMENT OF A POPULATION
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GIVE EXAMPLES OF A DATA VARIABLE
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A NUMBER (28)
A WORD (BROWN) A SYMBOL (71 INCHES TALL) HE WEIGHS (83 POUNDS) |
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WHAT IS DATA SET
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A SET OF VALUES COLLECTED FROM THE VARRIABLE FROM EACH OF THE ELEMENTS THAT BELONG TO THE SAMPLE
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EXAMPLE OF A DATA SET
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THE SET OF 25 HEIGHTS COLLECTED FROM 25 STUDENTS
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what is the statistic?
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A NUMERICAL VALUE SUMMARIZING THE SAMPLE DATA
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WHAT IS QUALITATIVE VARIABLE?
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A VARIBLE THAT DESCRIBES OR CATEGORIZIES AN ELEMENT OF A POPULATION
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NAME THE OTHER NAMES OF AN QUALITATIVE VARIABLE
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ATTRIBUTE OR CATEGORICAL VARIABLE
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WHAT IS QUANTITAVE OR NUMERIICAL VALUE
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A VARIABLE THAT QUANTIFES AN ELEMENT OF A POPULATION
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TWO KINDS OF VARIABLES
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QUALITATIVE
QUANTITAVE |
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VARIABLES THAT LIST WHAT YOU OBSERVE
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QUALITATIVE
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AN EXAMPLE OF BLUE EYES, HARCOLOR, HOMETOWN , LEVEL OF SATISFACTION
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QUALITATIVE
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QUALITATIVE THINK
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QUALITY
CHARACTER A TRAIT TO DESCRIBE |
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QUANTTITATIVE THINK
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QUANITY
NUMBERS, ARTIHMETIC OPERATIONS, ADD, AVERAGE |
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EXAMPLES OF QUANTITAVE
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NUMBERS, 5%, MEASUREMENTS, AGE, HEIGHTS, AND TEMPS
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WHAT IS NOMINAL
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CANN'T BE ORDERED OR RANKED
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NORMINAL IS QUANTITAVE OR QUALITATIVE
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QUALITATIVE
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BROWN, RED BLONDE IS AN EXAMPLE OF
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NORMINAL QUALITATIVE
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ORDINAL IS QUANTITAVE OR QUALITATIVE
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QUAILITATIVE
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WHAT ARE ORDERED OR RANKED
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ORDINAL, QUALITATIVE
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WHAT TYPE OF VARIABLE IS DISCRETE
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QUANTITIVE
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WHAT HAS A COUNTABLE NUMBER
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DISCRETE, QUANTITVE
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WHICH HAS A COUNTABLE NUMBER THAT NEVER USES DECIMALS OR FRACTIONS
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DISCRETE QUANTITIVE
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NUMBER OF EGGS OF CHICKEN LAYS AND THE NUMBER OF STUDENTS IN A CLASSROOM IS
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DISCRETE QUANTITIVE
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WHAT HAS A CONTINUOUS VARIABLE
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QUANTITIVE
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WHAT HSA AN UNACCOUNTABLE NUMBER AND USES MEASUREMENT AND MAY HAVE DECIMALS AND FRACTIONS
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CONTINUOUS QUANTITIVE
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