B) On the grid, draw a frequency polygon for the information in the table.
(2)
20
The table shows information
about the heights of 70 plants.
Height (h cm) Frequency
10 <h< 20
5
20 <h < 30
10
30 <h<40
10
40 < 5 < 50
20
50 <h <60
15
60 <h < 70
10
15-
Frequency
a) Find the class interval that
contains the median. (1)
5
+
0-
0
10
20
50
60
70
30 40
Height (h cm)
Click here for any special
symbols you may need.
Total marks: 3
Ruler

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Which of the following scenarios demonstrates an exponential decay