Unbenannte Präsentation

Open Ended

What is the difference between relative frequency and cumulative frequency?

Multiple Choice

What is the cumulative relative frequency for the class of people who drink 12-15 cups of coffee?

• 11%

• 28%

• 72%

• 89%

Multiple Choice

Compare the median low temperatures.

• The median low temperature for Charleston was 5ºF lower than the temperature for Atlanta.

• The median low temperature for Charleston was 7ºF lower than the temperature for Atlanta.

• The median low temperature for Atlanta was 7ºF lower than the temperature for Charleston.

• The mean low temperature for Charleston was 7ºF lower than the temperature for Atlanta.

Multiple Choice

Find the mode and the median.

• Mode: 24 and Median: 17

• Mode: 24 and Median: 16

• Mode: 24.5 and Median: 17

• Mode: 24.5 and Median: 21

Multiple Choice

What is the PERCENTILE for the data value of 20 in the given data set.

• 33rd

• 15th

• 27th

• 25th

Fill in the Blank

$$Use\ the\ given\ data\ below\ to\ solve\ for\ the\ 60th\ percentile.$$  

5, 8, 9, 9, 10, 12, 12, 15, 17, 19, 20, 26, 21, 24, 30

Multiple Choice

What do points B and D represent on the box plot?

• Mean and Mode

• Mean and Median

• Least and Greatest Value

• First and Third Quartiles

Multiple Choice

What is the standard deviation of the data?

• 0.01 g

• 1.00 g

• 1.03 g

• 10.5 g

Multiple Choice

Order the dot plots from least to greatest standard deviation.

• A, D, C, B

• B, C, D, A

• A, D, B, C

• B, C, A, D

Multiple Select

Which statements are true?

• For a symmetric distribution, the measure of skewness is always zero.

• A left-skewed distribution falls off more steeply.

• A right-skewed distribution has a positive value for the measure of skewness.

• A left-skewed distribution is left-skewed.

Multiple Choice

What are the three proposals for the distribution of funding presented in the table?

• Proposal A

• Proposal B

• Proposal C

• All of the above

Multiple Choice

What does the Lorenz curve represent in the context of funding distribution?

• Income inequality

• Population growth

• Economic stability

• Government spending

Multiple Select

What does the Lorenz curve represent?

• It runs above the diagonal

• It always contains the point (1,1)

• It is further from the diagonal the more uneven the distribution

• It is equal to the diagonals when the underlying distribution is uniform

Multiple Choice

What is the purpose of the Lorenz curve and Gini coefficient?

• To describe statistics

• To quantify the symmetry of a distribution

• To identify statisticians

• To describe the concentration of values within a distribution

Fill in the Blank

The following Tree diagram represents the relationship between eating breakfast (Eat or Don't Eat) and gender (Female or Male).

P(Eat | Male) =_____ %

Multiple Choice

Calculate the following probability, $$P\ \left(Football\ \cap Wrestling\right)$$ ?

• 8.6%

• 6.3%

• 27.3%

• 23.1%

Multiple Choice

Use the tree diagram to find the probability of tossing a head first and then a tail when a coin is tossed twice.

• 1

• 1_/2

• 1/₄

• 1/8

Fill in the Blank

Jaimie is doing an experiment where he spins the two spinners above. What are the total possible outcomes they can get? Create a tree diagram to represent the total outcomes. Type your answer below.

Multiple Choice

5. Use a tree diagram to find the probability of flipping a coin and rolling a 4 on a fair six-sided die.

• 1/3

• 1/4

• 1/6

• 1/12

Multiple Choice

What is the probability of two coins landing on heads if you know one coin has already landed on heads?

• 1/2

• 1/4

• 1/3

• 1/6

Multiple Choice

Determine if A and B are independent.

P(A) = $$\frac{7}{20}$$ and P(B) = $$\frac{1}{2}$$ and P(A and B) = $$\frac{7}{50}$$    

•  Independent 

• Dependent  

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