What’s 40 41 42 43 44 45 46 47 48 49 50 iqr pls !

IQR = 6

Step-by-step explanation:

Given:

The given set of data is:

40 41 42 43 44 45 46 47 48 49 50

Number of terms,

Therefore, the median is given as term which is the sixth term. Median = 45

(40 41 42 43 44) 45 (46 47 48 49 50 )

Now, we find the median of the lower half () and upper half ()of the data that are before and after the median.

The lower half of the data has the values 40 41 42 43 44.

Number of terms are 5. So, median is the third term which is,

The upper half of the data has the values 46 47 48 49 50.

Number of terms are 5. So, median is the third term which is,

Now, IQR is given as the difference of upper half median and lower half median.

6

Step-by-step explanation:

40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50

Median: 45

Lower quartile: 42

Upper quartile: 48

Interquartile range: 48 - 42 = 6

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."