Age 35 TOTAL Like the design Dislike the design TOTAL Hence, the test statistic is found to be [correct to 4 decimal places].(b) A mobile phone company has a new design of smart phone and wants to investigate how customers of different age groups feel about the proposed new design. A market research survey is conducted and the responses are shown in the table below: Age 35 Like the design 23 23 58 Dislike the design 15 21 32 At the 0.10 level of significance, is there evidence of a significant difference in the feeling about the new design among the three age groups