Which statement comparing variability is most accurate?

video games is more variable because it has a greater range

mr. wood wants to improve his lessons. which group of students are most likely to support a valid inference.

students that have mr. wood for math

a survey was done to determine if we needed a sports equipment or new band equipment. which survey method is best?

ask 30 students whose name was chosen from a hat

which statement correctly compare the two data sets?

the interquartile range is the same in both data sets

do children or adults have a greater variability?

adults, because the data is between 0 and 12

which statement is true about median?

set 1 has a higher median, but the variability is the same

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Use sampling to draw inferences about populations

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7th grade statistics

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Questions 8

Answers

1
I surveyed 50 students to see if they like math or science. if 28 like math, how many would like science if we asked 400
256
176
22
224
2
Which statement comparing variability is most accurate?
video games is more variable because it has a greater range
video games are more variable because the data cluster is higher
exercise is more variable because is has a greater range
video games are more variable because it has a greater mean
3
mr. wood wants to improve his lessons. which group of students are most likely to support a valid inference.
digital students
all math students in the school
face to face students
students that have mr. wood for math
4
a survey was done to determine if we needed a sports equipment or new band equipment. which survey method is best?
ask 30 students whose name was chosen from a hat
ask student who signed up for band class
ask all athletes
ask the first 5 students you see
5
which statement correctly compare the two data sets?
the median of 2000 is less than 2010
the range in 2000 is less than the range in 2010
the interquartile range is the same in both data sets
the range for 2010 is greater
6
A soccer coach wants to know how many people will try out for soccer. which sample is representative of the population?
25 8th graders
the first 10 athletes to school
every 10th student at school
all athletes
7
do children or adults have a greater variability?
adults, because their are more data points
children because most of their data is higher
children, because the data is between 1 and 12
adults, because the data is between 0 and 12
8
which statement is true about median?
the median and the variability is the same
set 1 has a higher median, but the variability is the same
set 1 has a higher median and a greater variability
set 2 has a higher median, set 1 has a high variability

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