SOPHIA MILESTONE 1 STATS EXAM Q & A
Score 28/29
1
You passed this
Milestone
In a survey of small business owners, a response to which of the following questions would be qualitative?
What type of business do you own?
How much did your business have in profits last year?
How long have you owned a business?
How many businesses do you own?
, SOPHIA MILESTONE 1 STATS EXAM Q & A
RATIONALE
All the other options are numeric measures and can be used in arithmetic. The type of business you have is simply
a descriptive measure and is therefore qualitative.
CONCEPT
Qualitative and
Quantitative Data 2
Nick designs a clinical trial to test a new anxiety medication by creating a control group and a treatment group. If
he gives the medication to patients in the treatment group and not to the control group, some patients might find
out that they're not being treated. To improve his study, Nick decides to give a sugar pill to the control group.
The sugar pill is an example of a .
placebo
confounding variable
variable of interest
case control
RATIONALE
When no active treatment is given to the control group, we refer to this as the placebo.
, SOPHIA MILESTONE 1 STATS EXAM Q & A
CONCEPT
Place
bo 3
, SOPHIA MILESTONE 1 STATS EXAM Q & A
A survey was conducted to find the frequency with which people go to the movies. A group of 120 people in a
mall were asked about how often they go out for a movie and It was found that 36 people go to movies at least
once in a month.
Which of these is an example of descriptive statistics?
30% of the people who reside in the city go to movies at least once in a month.
30% of the people who reside in the county go to movies at least once in a month.
30% of the people surveyed in the mall go to movies at least once in a month.
30% of the people who visited the mall go to movies at least once in a month.
RATIONALE
Recall a descriptive statistic is a summary figure from a sample, which is the information at hand. From this survey
a statistic would be 36 of 120 people or 30% go to the movies at least once in a month.
CONCEPT
Statistics
Overview 4
A new pet food product for small dogs has been developed to help with tooth decay. Fifty-two dogs participate
in the study. Each dog owner picks a card from a standard deck out of a hat. If the card is red, their dog will be in
the treatment group. If the card is black, their dog will be in the placebo group.
Score 28/29
1
You passed this
Milestone
In a survey of small business owners, a response to which of the following questions would be qualitative?
What type of business do you own?
How much did your business have in profits last year?
How long have you owned a business?
How many businesses do you own?
, SOPHIA MILESTONE 1 STATS EXAM Q & A
RATIONALE
All the other options are numeric measures and can be used in arithmetic. The type of business you have is simply
a descriptive measure and is therefore qualitative.
CONCEPT
Qualitative and
Quantitative Data 2
Nick designs a clinical trial to test a new anxiety medication by creating a control group and a treatment group. If
he gives the medication to patients in the treatment group and not to the control group, some patients might find
out that they're not being treated. To improve his study, Nick decides to give a sugar pill to the control group.
The sugar pill is an example of a .
placebo
confounding variable
variable of interest
case control
RATIONALE
When no active treatment is given to the control group, we refer to this as the placebo.
, SOPHIA MILESTONE 1 STATS EXAM Q & A
CONCEPT
Place
bo 3
, SOPHIA MILESTONE 1 STATS EXAM Q & A
A survey was conducted to find the frequency with which people go to the movies. A group of 120 people in a
mall were asked about how often they go out for a movie and It was found that 36 people go to movies at least
once in a month.
Which of these is an example of descriptive statistics?
30% of the people who reside in the city go to movies at least once in a month.
30% of the people who reside in the county go to movies at least once in a month.
30% of the people surveyed in the mall go to movies at least once in a month.
30% of the people who visited the mall go to movies at least once in a month.
RATIONALE
Recall a descriptive statistic is a summary figure from a sample, which is the information at hand. From this survey
a statistic would be 36 of 120 people or 30% go to the movies at least once in a month.
CONCEPT
Statistics
Overview 4
A new pet food product for small dogs has been developed to help with tooth decay. Fifty-two dogs participate
in the study. Each dog owner picks a card from a standard deck out of a hat. If the card is red, their dog will be in
the treatment group. If the card is black, their dog will be in the placebo group.
