The correct option is A Chair
Number of tables in the tally chart =7
Number of tables in the pictograph =7
Number of chairs in the tally chart =8
Number of chairs in the pictograph =7
Number of bottles in the tally chart =6
Number of bottles in the pictograph =6
Number of balls in the tally chart =4
Number of balls in the pictograph =4
Number of toys in the tally chart =5
Number of toys in the pictograph =5
Hence, the number of chairs is incorrectly represented in the pictograph.