The chart below gives information on the average cost of a monthly plan from four different mobile phone providers in a European country, between January and September 2012, measured in euros.

"The following chart presents data regarding the average monthly plan costs of four distinct mobile phone providers in a European country during the period from January to September 2012, denoted in

euros

. Examining the line graph, we can observe some changes. The average cost of plans from Lex mobile phone

provider

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providers

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experienced only slight fluctuations with no significant changes. from January to September in January it was 13

euros

however

then

it increased

till

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to

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17

euros

.

In contrast

, the Alpha telephone provider underwent noticeable alterations ,

initially

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initially,

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it cost only 5

euros

at the beginning of the year

,

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and improved considerably

till

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to

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25

euros

. Now, let’s discuss the other operators. Domo demonstrated fluctuating changes,

initially

experiencing a decline

in

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of

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15

euros

, followed by a slight increase, and

then

a more significant rise

with

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of

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23

euros

. These three companies encountered significant adjustments, with desirable outcomes,

while

only Sim TX experienced a decline, indicating poorer performance with only 7

euros

approximately .

Overall

, it can be concluded that these companies underwent various adjustments, with three of them displaying favourable outcomes and only one provider exhibiting inferior results."