Exploring Measures of Central Tendency

What is required for today's lesson on statistics?

• A graphing calculator

• A standard calculator

• A textbook

• A ruler

What statistical measure is described as the value that appears most frequently in a data set?

• Mean

• Median

• Mode

• Range

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

In a frequency table, if 'hats owned' is listed, which number of hats is the mode if the highest frequency is for one hat?

• Two hats

• One hat

• Four hats

• Three hats

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

How do you calculate the mean from a frequency table?

• Add all frequencies

• None of the above

• Divide the sum of products of mid-interval values and their frequencies by the total frequency

• Multiply each frequency by its corresponding value

Tags

CCSS.6.SP.B.5C

What tool is suggested to use when calculating statistics from a frequency table?

• TI-84 or TI-83 calculator

• None of the above

• Online calculators

• Both A and B

What is the estimated mean age of the pet cats from the given data?

• 3.8 years

• 3.7 years

• 3.6 years

• 3.5 years

What is the median in a data set?

• The most frequent value

• The middle value when data is ordered

• The difference between the highest and lowest values

• The average of all values

Tags

CCSS.6.SP.B.5C

How do you find the position of the median in a large data set?

• None of the above

• Subtract 1 from the total number of values and divide by 2

• Multiply the total number of values by 0.5

• Add 1 to the total number of values and divide by 2

Tags

CCSS.6.SP.B.5C

What does Will need to score on his last test to achieve a 90 average across five tests?

• 98

• 95

• 96

• 97

Tags

CCSS.6.SP.B.5C

What effect does adding a constant to each data value have on the median?

• None of the above

• Does not change the median

• Increases the median by the constant

• Decreases the median by the constant