2. The frequency distribution for the systolic blood pressure readings (mmHg) of 200 randomly selected polytechnic students is shown in Table 2. Number of Students Systolic Blood Pressure (mmHg) 24 90-104 62 105-119 72 120-134 26 135-149 12 150-164 165-179 4 Table 2:Systolic blood pressure readings of 200 polytechnic students Using formula, find: 1. Find the mean 11. Find the mode 11. Find the 70th percentile (P70)

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