Constant Mistakes

Question 1

What is Quantiles? What is Quartiles?

Answer 1

Quantiles are points taken at regular intervals from the cumulative distribution function (CDF) of a random variable. Quartiles are the values that divide a list of numbers into quarters. They are three points that divide the data set into four equal groups, each group comprising a quarter of the data. Follow Below Steps: 1. First put the list of numbers in order 2. Then cut the list into four equal parts 3. The Quartiles are at the “cuts”

Question 2

What is Log Function?

Answer 2

• If b is any number such that and and then, y = Log_b X (Log form) and this is equivalent to b^y = x (exponential Form).
• We usually read this as “log base b of x”.
• We cannot take the Log of zero or negative numbers.

Question 3

How long does it take to double your investment if the interest rate is 10%?

Answer 3

• Rule of 72
• T = 72 / Interet rate
• T = 7.2 Years