Question

the dot plot shows the number of days from hatching until their first flight for 12 northern spotted owlets. which of the following is the closest estimate to the percentile for the owlet that took 35 days?

Explanation:

Step1: Count total number of data - points

There are 12 data - points (owlets) as stated in the problem.

Step2: Count number of data - points less than 35

Count the number of dots to the left of 35 on the dot - plot. There are 4 dots to the left of 35.

Step3: Calculate the percentile

The formula for the percentile \(P\) of a value \(x\) is \(P=\frac{\text{number of values less than }x}{\text{total number of values}}\times100\). So, \(P = \frac{4}{12}\times100=\frac{100}{3}\approx33.33\).

Answer:

Approximately 33rd percentile.