Edit Game
IB DP Bivariate Statistics (Ch 5)
 Delete

Use commas to add multiple tags

 Private  Unlisted  Public



 Save


Get beautiful free images


Delimiter between question and answer:

Tips:

  • No column headers.
  • Each line maps to a question.
  • If the delimiter is used in a question, the question should be surrounded by double quotes: "My, question","My, answer"
  • The first answer in the multiple choice question must be the correct answer.

 Import questions


Get beautiful free images






 Save   21  Close
Calculate Pearson's product-moment correlation for the data.
rP = 0.9998
Calculate Spearman's correlation coefficient for the data set.
rS = 1
What is the line of best fit, according to least squares regression?
a = 0.0322, b = 0.906
What is the sum of the shopping time?
Summation y = 22.63
Find the mean point.
mean point = (50, 22.63)
What is the mean point for the given data?
mean point = (13.5, 14.6)
What is the population standard deviation of the water remaining in liters?
2.148 == 2.15 L
What is the sample standard deviation of the time in hours?
7.35
What is the line of best fit, according to least squares regression?
a = -.273, b = 5.51
Calculate Spearman's correlation coefficient for the data set.
rS = -1
Calculate Pearson's product-moment correlation for the data.
rP = -0.874
Describe the correlation between the two data sets.
strong, negative correlation
What is the line of best fit, according to least squares regression?
a = -.975, b = 146.747
Describe the relationship between the Mathematics and Art marks.
strong, negative, linear correlation: rP= -0.9296 == -0.930
What is the sample standard deviation of the art project?
7.680422442 == 7.68
What is the population standard deviation of the mathematics test?
6.946221 == 6.95
How would you construct a scatter diagram for the data, by eye?
Mean point = (74.5, 74.1)
Which r value best describes this data set? Why? r = 1, r = -0.4, r = 0.7
r = -0.4
Which r value best describes this data set? Why? r = 1, r = -0.4, r = 0.7
r = 1
Which r value best describes this data set? Why? r = 1, r = -0.4, r = 0.7
r = 0.7
Answer a
Negative correlation. As prices increase, the number of tickets sold is likely to decrease. Causal. Less people will be able to afford tickets as the prices inc


Get beautiful free images

Your experience on this site will be improved by allowing cookies.