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Leni [432]
3 years ago
14

Jennifer said the median of the set is 2 because it is the middle value in the data set. explain why you do or do not agree with

her
Mathematics
2 answers:
TiliK225 [7]3 years ago
5 0

Jennifer is wrong. The list of data points must be in order before determining the median. If you put the set in order from least to greatest, the median is 4.

The set is 11, 3, 8, 2, 9, 1, 4

cluponka [151]3 years ago
5 0

Answer:

Jennifer is wrong. The list of data points must be in order before determining the median. If you put the set in order from least to greatest, the median is 4.

Step-by-step explanation:

The list of data points must be put into order from least to greatest before determining the median.

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Step-by-step explanation:

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Now there is a square city of unknown size with a gate at the center of each side. There is a tree 20 b from the north gate. Tha
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Answer:

The length of each side of the city is 250b

Step-by-step explanation:

Given

a = 20 --- tree distance from north gate

b =14 --- movement from south gate

c = 1775 --- movement in west direction from (b)

See attachment for illustration

Required

Find x

To do this, we have:

\triangle ADE \sim \triangle ACB --- similar triangles

So, we have the following equivalent ratios

AE:DE = AB:CB

Where:

AE = 20\\ DE = x/2 \\ AB = 20 + x + 14 \\ CB = 1775

Substitute these in the above equation

20:x/2 = 20 + x + 14: 1775

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Express as fraction

\frac{20}{x/2} = \frac{x + 34}{1775}

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Cross multiply

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Open bracket

x^2 + 34x = 71000

Rewrite as:

x^2 + 34x - 71000 = 0

Expand

x^2 + 284x -250x - 71000 = 0

Factorize

x(x + 284) -250(x + 284)= 0

Factor out x + 284

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Split

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Solve for x

x = 250 \ or\ x =- 284

x can't be negative;

So:

x = 250

6 0
3 years ago
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