The bar graphs describe the number of calls a company received by Nigerian CALL CENTRE IN TWO DIFFERENT YEARS BASED ON WHICH CAR MODELS IS PRODUCED. OVERALL, IN THE SPAN OF 5 YEARS THE NUMBER DECREASED FOR ALL MODELS EXCEPT MODEL C, WHICH EXPERIENCED AN INCREASE IN ITS VALUE.
REGARDING MODEL A, IT WENT FROM 52 IN 2010 TO 49 IN 2015. MODEL B REGISTERED THE LOWER VALUE OF CALLS IN BOTH DATES, 33 AND 24 RESPECTIVELY. THE ONE WITH THE HIGHEST FIGURE, WHICH WAS MODEL D, DIPPED FROM 94 IN 2010 TO 88 IN 1025, REMAINING AT THE TOP RANK. MODEL E, CONSIDERABLY FALLED FROM 68 IN THE FIRST DATE TO 57 IN THE SECOND, LOSING THE HIGHEST AMOUNT OF THEM ALL.
BY CONTRAST, THE CALLS THAT THE COMPANY RECEIVED BY NIGERIAN SURGED BY A CONSIDERABLE VALUE OF 13, RISING FROM 71 TO 84 IN THE WHOLE PERIOD.
