INTRODUCTION TO STATISTICS

Statistics used to draw conclusions about the whole population from sampling units studied

• Parameter

• Inferential statistics

• Descriptive statistics

• Census

A study that takes all units in a population

• Parameter

• Sampling units

• Inferential statistics

• Census

A summarized value taken from a population

• Parameter

• Sampling units

• Statistic

• Census

Identify the types of variable for NUMBER OF YEARS OF WORKING EXPERIENCE

• Qualitative

• Quantitative discrete

• Quantitative Continuous

Identify the scale of measurements for NUMBER OF YEARS OF WORKING EXPERIENCE

• Nominal

• Ordinal

• Ratio

• Interval

Identify the types of variable for TELEPHONE NUMBER

• Qualitative

• Quantitative discrete

• Quantitative Continuous

Identify the scale of measurements for TELEPHONE NUMBER

• Nominal

• Ordinal

• Ratio

• Interval

Identify the types of variable for Classification of children in a day care centre (infant, toddler, preschool)

• Qualitative

• Quantitative discrete

• Quantitative Continuous

Identify the scale of measurements for Classification of children in a day care centre (infant, toddler, preschool)

• Nominal

• Ordinal

• Ratio

• Interval

Identify the types of variable for DATE OF BIRTH

• Qualitative

• Quantitative discrete

• Quantitative Continuous