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Marianna [84]
3 years ago
9

Consider the following data set: 7.8, 0.6, 1.9, 5, 5.7, 0.7, 1.6, 5.9 Work out the IQR.

Mathematics
2 answers:
Gnesinka [82]3 years ago
8 0

Answer:

Population size:8

Lower quartile (xL): 0.925

Upper quartile (xU): 5.85

Interquartile range (xU-xL): 4.925

Step-by-step explanation:

Phoenix [80]3 years ago
5 0

Answer:

4.65

Step-by-step explanation:

7.8, 0.6, 1.9, 5, 5.7, 0.7, 1.6, 5.9

Sort the data

0.6, 0.7, 1.6, 1.9, 5, 5.7, 5.9, 7.8

Q1: (0.7+1.6)/2

= 1.15

Q3: (5.7+5.9)/2

= 5.8

IQR = 5.8 - 1.15

= 4.65

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Plz guys help i need asap<br> its part b im stuck
aleksklad [387]

Answer:

a.2nd quarter with 9 goals

b. 4.8 goals

c. 4 goals

Step-by-step explanation:

a. The mode is defined as the most appearing data point or the data point with the highest frequency..

From our data(for away goals):

  • 1st quarter-2
  • 2nd quarter-9
  • 3rd quarter-7
  • 4th quarter-4

Hence, the 2nd quarter has the mode for away goals with 9 goals.

b. Mean is defined as the average of a set of data points.

#We calculate the totals goals per quarter, sum over all quarters then divide by the number of games, 10:

\bar x=\frac{1}{n}\sum{x_i}\\1^{st }_g=Away+Home=5+2=7\\\\2^{nd}_g=Away+Home=4+9=13\\\\3^{rd}_g=Away+Home=8+7=15\\\\4^{th}_g=Away+Home=9+4=13\\\\\bar x=\frac{1}{n}\sum{x_i}=\frac{1}{10}(7+13+15+13)=4.8

Hence, the mean number of goals per quarter is 4.8 goals

c. To find the number of more home goals than away goals, we subtract from their summations as:

g_m=\sum{g_h}-\sum{g_a}\\\\=(5+4+8+9)-(2+9+7+4)\\\\=26-22\\\\=4

Hence, there are 4 more home goals than away goals.

4 0
3 years ago
.Rahul and his wife work in Mohan's farm. The Government has declared that the farm workers should be paid Rs. 71 for a day's wo
Snowcat [4.5K]

Answer:

Rs. 5500

Step-by-step explanation:

The government has declared that farm workers should be paid Rs. 71 for a day's work

The landlord Mohan pays Rahul Rs. 60 and pays Rs. 55 to his wife

Rahul works for 55 days

= 60 × 55

= Rs. 3,300

His wife works for 40 days

= 55 ×40

= Rs. 2,200

Therefore the total amount of money earned together can be calculated as follows

= 3300 + 2200

= Rs. 5500

Hence they will earn Rs. 5500 together

7 0
4 years ago
Order from least to greatest<br><br> 22.01, 21.005, 21.05, 21.15. 22.009
Effectus [21]

Answer:

21.005, 21.05, 21.15, 22.009, 22.01

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A skydiver is 780 meters above the ground when he opens his parachute. After opening the parachute, he descends at a constant sp
Gwar [14]

Answer:

y = 780 - 20x

Step-by-step explanation:

8 0
3 years ago
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Find the slope intercept form of the line through (3,4) and (-2,4)
Alchen [17]

Answer:

y = 4

Step-by-step explanation:

As we move from the point (-2, 4) to the point (3, 4), x increases by 5 units, but y stays the same.  We know immediately that the slope, m = rise / run, is zero, because of this.

Both points are on the horizontal line y = 4.  This answer is sufficient in itself, but could be re-written as y = 0x + 4.

5 0
3 years ago
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