# Biostatistics Prt 2

55 Questions | Total Attempts: 762  Settings  Prt 2

• 1.
Making a frequency table we first click _________  under "insert"; First field is what data we wish to____; 2nd field _______ the table
• 2.
________ is a characteristic that differs from one individual to the next . it may be numerical (such as blood pressure ) or it can be categorical (whether or not someone attends church regularly)
• A.

Data

• B.

Varaible

• C.

Sample

• D.

Poll

• 3.
____ is a variable that is not the main concern of the study but may be partially responsible for the observed results.
• A.

Confounding varaible

• B.

Sample variable

• C.

Treatment

• 4.
__________ is a study in which treatments are randomly assigned to particpants
• A.

Placebo

• B.

Non response bias

• C.

Nonparticapant bias

• D.

Randomized experiment

• 5.
Cause-and-efffect conclusions can generally be made on the basis of _________
• A.

Treatment

• B.

Randomized experiments

• C.

Placebo

• D.

Statistically significant

• 6.
_____ is specific regimen or procedure assigned to participants by the experimenter
• A.

Treatment

• B.

Data

• C.

Placebo

• D.

Sample

• 7.
________ is one in which each participant has specified probability if being assigned to reach treatment
• A.

Randomized experiment

• B.

Random assignment

• C.

Random sample

• D.

Random variable

• 8.
_____ is a pill or treatment designed to look just like the active treatment but with no active ingredients.
• 9.
_________ relationship or difference is one that us large enough to be unlikely to have occurred in the sample if there was no relationship or difference in the population.
• A.

Statistically significant

• B.

Placebo

• C.

Fasle positive

• D.

Data snooping

• 10.
______________ in statsictics refers to the fact that reserachers often test many different hypotheses in the same study
• A.

Multiple testing

• B.

Multiple hypthosis

• C.

Multiple comparisions

• D.

Multiple varaibles

• 11.
This practive may result in statsically significant findings by mistake ___________ results
• 12.
Is called________ because researchers snoop around in their data unil they find something interesting to report
• 13.
When you read about the change in rate or risk occurrence of something make sure you also find out the _______ rate and _______risk.
• 14.
Quantitative Variables
• A.

Histogram

• B.

Dotplots

• C.

Boxplot

• D.

Pie graph

• E.

Bar Graph

• F.

Stem-and-Leaf Plots

• G.

Scatter plot

• 15.
Multivaraible for quantitative varaibles
• A.

Histograph

• B.

Scatterplot

• C.

Steam and leaf plot

• D.

Bar chart

• 16.
A X Y plot can also be called a
• 17.
____similar to bar graphs, used for any number of data values.
• A.

Histogram

• B.

Boxplot

• C.

Xy

• D.

Steam and leaf

• 18.
________ and ______ present all individual values, useful for small to moderate sized data sets.
• A.

Stem-and-leaf plots and dotplots

• B.

Histogram and box plot

• C.

Steamd- and-leaf plots and box plots

• D.

Bar graph and histographs

• 19.
_____useful summary for comparing two  or more groups
• A.

Histogram

• B.

Bar chart

• C.

Steam-and-leaft

• D.

Box plot

• 20.
Box-and-whisker plot also refers to____
• 21.
Histograms are push together and portray the distrubution of variable
• A.

True

• B.

False

• 22.
____ is the simplest to plot quantitive varibles
• 23.
Steam-and-leaf represent...
• A.

Shape

• B.

Centeral tendancy or center

• C.

• D.

Orginal data values

• 24.
• A.

Unattractive

• B.

Key provided

• C.

• D.

Decimal place

• E.

Recovers data values, puls rate for everyone in data set

• 25.
Quantiative values should have in analysis
• A.

Center

• B. Back to top