biostatistics

The commonly used measures of central tendency

• Mean

• Median

• Mode

• All of them

What are the different types of variables

• Quantitative

• Qualitative

• Formulative

• Single

Tags

NGSS.HS-PS2-1

The value of most frequent item is

• Mean

• Mode

• Average

• Median

The different laws of probability are

• additive law

• destructive law

• multiplicative law

• obstructive law

Tags

NGSS.HS-LS4-3

Which distribution is used in case of 2 possible outcome from single event

• Poisson distribution

• Binomial distribution

• Normal distribution

• F- distribution

Poisson distribution is used when event has

• rare occurrence

• high occurrence

• no occurrence

• none

ND changes to SND when

• u = 1 and sigma = 0

• u = 0 and sigma = 1

• u = 2 and sigma = 5

• u = 3 and sigma = 6

The given graph shows what type of correlation

• No correlation

• Negative correlation

• Positive correlation

• Positive - Negative correlation

The first step in hypothesis testing

• State Ha

• state Ho

• find the critical value

• state the level of significace

When the Sample size =/< 30 the test used is

• Z test

• Chi square test

• t test

• F test