Display Of Quantitative Data And Data Distributions

Question 1

What type of data does a bar chart display?

Answer 1

-categorical

Question 2

What type of data does a histogram display?

What is on the X and Y axis?

Answer 2

Continuous data
X axis = Data
Y axis = Frequency

Question 3

What data does a line graph display?

What does the X and Y axis display on a line graph?

Answer 3

Continuous data

Same as histogram

Question 4

What type of data does a scatter gram display?

Answer 4

-Correlation and relationship between two variables

Question 5

Describe normal distribution of data

Answer 5

• Mean, median and moderate all in the exact same midpoint
• The distribution is symmetrical around this midpoint
• the dispersion scores/ measurements either side of the midpoint is consistent and can be expressed in standard deviations.
• Normally distributed data means 34.1% of people will lie within one standard deviation below the mean.

Question 6

Describe a positive skewed distribution

Answer 6

• The tail is on the right

- Mode is at the peak then its median and the mean is the lowest

Question 7

describe a negative skewed distribution

Answer 7

• The long tail is on the left

- The peak is the mean, the median is in the medial and the mode is at the lowest