Podcast
Questions and Answers
Which among the given options is the regression line of 𝑥 on 𝑦?
Which among the given options is the regression line of 𝑥 on 𝑦?
- Both of the options
- 𝑥 + 2𝑦 = 5 (correct)
- Neither of the options
- 2𝑥 + 3𝑦 = 8
What is the regression line of 𝑋 on 𝑌 given the data?
What is the regression line of 𝑋 on 𝑌 given the data?
- 𝑋 = 6.5 + 0.7𝑌
- 𝑋 = 4.5 + 0.5𝑌 (correct)
- 𝑋 = 3.5 + 0.4𝑌
- 𝑋 = 5.5 + 0.6𝑌
What happens to the mean and median in a positively skewed distribution?
What happens to the mean and median in a positively skewed distribution?
- Mean > Median (correct)
- Mean < Median
- Mean = Median
- None of the above
For the dataset: 35, 42, 50, 53, 61, 70, 85, what is the range?
For the dataset: 35, 42, 50, 53, 61, 70, 85, what is the range?
What is the mode of the dataset: 12, 15, 18, 18, 20, 22, 25, 30?
What is the mode of the dataset: 12, 15, 18, 18, 20, 22, 25, 30?
In a dataset of 20 daily temperatures in Celsius, what would be the most appropriate measure of central tendency to use?
In a dataset of 20 daily temperatures in Celsius, what would be the most appropriate measure of central tendency to use?
For a dataset with a positively skewed distribution, how is the mean compared to the median?
For a dataset with a positively skewed distribution, how is the mean compared to the median?
The coefficient of variation (CV) for Dataset A with a standard deviation of 8 and a mean of 40 is approximately:
The coefficient of variation (CV) for Dataset A with a standard deviation of 8 and a mean of 40 is approximately:
What is the interquartile range (IQR) for the dataset: 35, 42, 50, 53, 61, 70, 85?
What is the interquartile range (IQR) for the dataset: 35, 42, 50, 53, 61, 70, 85?
Which of the following represents the regression line of 𝑥 on 𝑦?
Which of the following represents the regression line of 𝑥 on 𝑦?
Given 𝜎𝑥 = 12, what can be inferred about the standard deviation 𝜎𝑦 for 𝑌?
Given 𝜎𝑥 = 12, what can be inferred about the standard deviation 𝜎𝑦 for 𝑌?
What is the standard deviation 𝜎𝑦 for 𝑌, given 𝜎𝑥 = 12?
What is the standard deviation 𝜎𝑦 for 𝑌, given 𝜎𝑥 = 12?
In a positively skewed distribution, how is the mean compared to the median?
In a positively skewed distribution, how is the mean compared to the median?
What is the coefficient of variation (CV) for Dataset A with a standard deviation of 8 and a mean of 40?
What is the coefficient of variation (CV) for Dataset A with a standard deviation of 8 and a mean of 40?
For a dataset with a positively skewed distribution, what happens to the range?
For a dataset with a positively skewed distribution, what happens to the range?
