## Basic Statistical Concepts, a Self-instructional Text |

### From inside the book

Results 1-3 of 7

Page 11

form The order in which a group of terms is to be combined, using several

operations, must be specified by the of the expression. *• r, 1+1 Simplify 21 _ y 12

_9= 2-1 24 3 21 7' 3 false

multiplication ...

form The order in which a group of terms is to be combined, using several

operations, must be specified by the of the expression. *• r, 1+1 Simplify 21 _ y 12

_9= 2-1 24 3 21 7' 3 false

**true false**. 4(7 + 6) = 4(13). 4 true**true false**- 5multiplication ...

Page 51

... for two distributions to have the same means and still differ in the way the

scores cluster about their means. true

range, they must have the same variability. false

previously, ...

... for two distributions to have the same means and still differ in the way the

scores cluster about their means. true

**true false**If two distributions have the samerange, they must have the same variability. false

**true false**As pointed outpreviously, ...

Page 71

... the same. true tru e ią f al s e I Two people in different groups whose

performance has been measured on the same task can not have the same

standard scores unless they have the same raw scores. false

Determine the z score in ...

... the same. true tru e ią f al s e I Two people in different groups whose

performance has been measured on the same task can not have the same

standard scores unless they have the same raw scores. false

**true false**Determine the z score in ...

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### Contents

Review of Arithmetic and Algebra | 2 |

Frequency Distributions and Graphs | 22 |

Ch apter 3 Measures of Central Tendency | 34 |

8 other sections not shown

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a z score ability algebra aptitude test arithmetic arithmetic mean auditory perception test average axis behavior boys called cent centile rank central tendency cluster coefficient of correlation compared correlation coefficient criterion describe descriptive statistics determine deviation scores distribution curve equal estimate example experiment experimental conditions expression extraneous factors finding the mean finger maze flipped formula frequency distribution frequency polygon girls graph histogram hypothesis hypothetical distribution indicates individual learning mathematics mean score meas measure of central measure of variability measuring device median multiplication negative normal curve normal distribution Number of Heads obtained occur operations pair predictive validity predictor probability probability distribution psychological measuring radicand random sample range raw score relationship reliability coefficient represented result scatter diagram score on test skewed standard deviation standard score statistical stratified sampling subgroups subtraction Suppose symbol Table tails tally marks test scores tion toss trials true false values variance