Algebra 1 Statistics

Front

Calculate the MEAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

Back

7.44

Front

How many 7th graders had an IQ score in the 81-90 range?

Back

13

Front

The mean of this data set is 17.8. What would happen to the mean if 40 was added to the data set?

Back

The mean would go up

Front

Which class has the higher median?

Back

2nd period

Front

What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school? Options: 4%, 14%, 13%, 29%

Back

29%

Front

A survey explored the relationship between gender and band class. What is a reasonable conclusion? Options: There are more band members than non-band members, There are more boys in the class than girls, There are more boys in band than not in band, More than half of the bands members in the class are girls

Back

More than half of the bands members in the class are girls

Front

Calculate the mean and median for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

Back

mean: 7.44 median: 7

Front

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the interquartile range of the data?

Back

13

Front

Back

8

Front

Back

9