AP statistics midterm practice Unit 1-6
Exam Questions And Answers
At the beginning of the school year, Mrs. Mallon from Discovery
High School asks every student in her classes to fill out a survey that
asks for their age, gender, how long they have lived at their current
address, their favorite school subject, and whether they plan to go
to college after high school. Which of the following best describes
the variables that are being measured? -
correct answer 3 categorical variables, 2 quantitative
(continuous) variables
Cate= open ended
Quant= measure of
Ms. Adkins picked up 12 items in the grocery store with a mean
cost of $3.25. Then she added an apple pie that costs $6.50. What
is the new mean for all 13 items? -
correct answer $3.50
Assume (12 x $3.25) + $6., so = $3.50
The states differ greatly in the kinds of severe weather that afflict
them. The histogram below shows the distribution of average
,AP statistics midterm practice Unit 1-6
Exam Questions And Answers
annual property damage caused by tornadoes over the period of 50
years in the United States. -
correct answer 12
Median is a more accurate display of the majority of data. 12 is
close to 0-10 majority while still being pushed up by larger data
values.
A random sample of 50 students reported their gender, then
selected from 4 options of one word that best described how they
felt at the time. The results are summarized in the table. What
percentage of males felt tired? Is this value a statistic or a
parameter? -
correct answer 57.1%, statistic
12 tired males / 21 males = .571
Parameter = whole Population
Statistic = a sample
, AP statistics midterm practice Unit 1-6
Exam Questions And Answers
The mosaic plot displays the distribution of emotion by gender for
the random sample of 50 students. Which of the following is the
best evidence that there is an association between gender and
emotion? -
correct answer Knowing a student's gender is helpful for
predicting their current emotion.
Contextualizes both male and female (gender) data together.
The pie chart describes the distribution of state tree types for the
50 states in the United States. The category "Other" include all
trees that are the state tree fr two or fewer states. Which of the
following
conclusions can we draw from this chart? -
correct answer There are 10 states that have designated a pine
as their state tree.
20% pine / 100 = 10/50 states
If a distribution is approximately symmetric, which of the following
is true? -
Exam Questions And Answers
At the beginning of the school year, Mrs. Mallon from Discovery
High School asks every student in her classes to fill out a survey that
asks for their age, gender, how long they have lived at their current
address, their favorite school subject, and whether they plan to go
to college after high school. Which of the following best describes
the variables that are being measured? -
correct answer 3 categorical variables, 2 quantitative
(continuous) variables
Cate= open ended
Quant= measure of
Ms. Adkins picked up 12 items in the grocery store with a mean
cost of $3.25. Then she added an apple pie that costs $6.50. What
is the new mean for all 13 items? -
correct answer $3.50
Assume (12 x $3.25) + $6., so = $3.50
The states differ greatly in the kinds of severe weather that afflict
them. The histogram below shows the distribution of average
,AP statistics midterm practice Unit 1-6
Exam Questions And Answers
annual property damage caused by tornadoes over the period of 50
years in the United States. -
correct answer 12
Median is a more accurate display of the majority of data. 12 is
close to 0-10 majority while still being pushed up by larger data
values.
A random sample of 50 students reported their gender, then
selected from 4 options of one word that best described how they
felt at the time. The results are summarized in the table. What
percentage of males felt tired? Is this value a statistic or a
parameter? -
correct answer 57.1%, statistic
12 tired males / 21 males = .571
Parameter = whole Population
Statistic = a sample
, AP statistics midterm practice Unit 1-6
Exam Questions And Answers
The mosaic plot displays the distribution of emotion by gender for
the random sample of 50 students. Which of the following is the
best evidence that there is an association between gender and
emotion? -
correct answer Knowing a student's gender is helpful for
predicting their current emotion.
Contextualizes both male and female (gender) data together.
The pie chart describes the distribution of state tree types for the
50 states in the United States. The category "Other" include all
trees that are the state tree fr two or fewer states. Which of the
following
conclusions can we draw from this chart? -
correct answer There are 10 states that have designated a pine
as their state tree.
20% pine / 100 = 10/50 states
If a distribution is approximately symmetric, which of the following
is true? -
