Which of the following best describes the descriptive statistics?

It describes and summarises data using the measures of central tendency

Which of the following best describes standard error?

how far a sample statistic likely falls from population parameter

Which of the following best describes simple random sampling?

Every element is randomly selected and has equal chances

What does p value 0.03 between two groups indicate ?

There is a significant difference between two groups.

Which of the following describes standard deviation?

how far a data point likely falls from the mean

Which of the following best describes population and sample?

A population is the entire group of people, sample is subset of that group

Which of the following best describes normal distribution?

A probability distribution that appears as a "bell curve" when graphed

Which of this best describes cohort study?

follows a group of people over time

studbud

Basic statistics revision

13 termsStudBud Administration8 plays

Imported from external platform

Flashcards13 cardsFPractice quizPHost liveL

Questions 13

Answers

1
Which of the following best describes the descriptive statistics?
It tells you if there is significant difference between groups
It describes and summarises data using the measures of central tendency
It is testing the hypothesis
It predicts data and compares test
2
You can do a t-test even if your data is not normally distributed
True
False
3
Which of the following best describes standard error?
it tell you if there is a significant difference
how far a sample statistic likely falls from population parameter
It tell if the data is normally distributed
It tell you mean
4
Which of the following best describes simple random sampling?
Sample is divided into small groups
Divide the population into small clusters
Every element is randomly selected and has equal chances
Every nth element is selected
5
Blinding helps reduce bias
False
True
6
What does p value 0.03 between two groups indicate ?
There is no significant difference between two groups
There is a significant difference between two groups.
The data is skewed
The data is invalid.
7
Which of the following describes standard deviation?
how far a data point likely falls from the mean
It tell you if the data is significant
It tell you the avaerage
It gives you the P vale
8
Which of the following best describes population and sample?
Sample and population are the same
Population are the ones that don't meet the eligibility criteria
Sample are who don't consent for study
A population is the entire group of people, sample is subset of that group
9
which of the following is example of interval data?
Weight
Temperature and log of PH
BP
Height
10
Which of the following best describes normal distribution?
A probability distribution that appears as a "bell curve" when graphed
data equally spread and no peaks
Left or negative skewed distribution
Right or positive skewed distribution
11
In inferential statistics results are shown with a probability score
False
True
12
Which graph would you use to compare groups?
Line graph
Box plot
Bar graph
Histogram
13
Which of this best describes cohort study?
follows a group of people over time
compares people who have a disease (cases)
measure people at a single point in time
It is clinical trials

Basic statistics revision Flashcards | StudBud