List given below was made by a researcher to record the number of bacteria in each sample side. Draw a histogram for the data.
| 4 | 1 | 22 | 33 | 43 | 52 | 4 | 11 | 22 | 34 | 43 | 53 | 5 | 12 | 22 | 34 | 44 | 53 | 38 |
| 5 | 12 | 23 | 35 | 44 | 53 | 5 | 13 | 23 | 36 | 45 | 54 | 6 | 14 | 24 | 36 | 45 | 57 | 58 |
| 6 | 15 | 24 | 37 | 45 | 57 | 7 | 15 | 28 | 37 | 46 | 57 | 8 | 16 | 38 | 58 | 9 | 18 | 19 |
| 39 |
Make a frequency table for the given observation.
| Project Z | ||
| Number of bacteria | Number of slides | |
| 0-10 | ![]() | 11 |
| 10-20 | ![]() | 10 |
| 20-30 | ![]() | 8 |
| 30-40 | ![]() | 11 |
| 40-50 | ![]() | 8 |
| 50-60 | ![]() | 10 |
| Total 58 | ||
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.



1. What is the variable being represented by the histogram? Is the discrete or continuous?2. How many students are over 170cm tall?3. How many students are there in all?4. What is the minimum height possible of the shortest student?5. What is the minimum height possible of the tallest student?
(i) What information is depicted by the histogram?(ii) Which group contains the maximum number of girls?(iii) Which groups contain the same number of girls?(iv) Heights of how many girls are 145 cm or more?