Question

The prices of bicycles at two stores are shown. Bikeville: 140, 160, 800, 235, 250, 450, 80, 115, 220, 250, 96, 290, 150 Discount Bicycles: 50, 180, 300, 110, 120, 150, 155, 285, 120, 200, 70, 175, 95

Sketch box plots to represent the prices of the bicycles.

Identify the five key values of each store’s prices.

Compare the two box plots.

Answer 1

Answer:

1. unknow

2. mean median range spread average

3. the bike Ville is more expensive in everything

Answer 2

Using Average, the prices of bicycles at two stores are compared.

What is average?

Average is the" sum of observations divided by total number of observations".

According to the question,

The price of bicycles at two stores are shown.

Bikeville:                  140 160 800 235   250 450 80 115 220 250 96  290

Discount Bicycles:   50  180  300  110   120  150 155 285 120 200 70 175 95

Average of bikeville = $\frac{sum of observations}{Total number of observation}$

= 140 + 160 + 800 + 235 + 250 + 450 + 80 + 115 + 220+250+96+29

= 3086

Average of bikeville= 3086/12

= 257.167

Average of Discount of bicycles:

( 50 +180+100+110+120+150+155+285+

120+150+155+285+120+200+70+175+95)     =2720

= 2720/15

=181.33

Average of Discount of bicycles is 181.33.

Hence, using Average the prices of bicycles at two stores are compared.

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