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Q10. Section 3-2: Systolic Blood Pressure: [6 marks] the systolic blood pressure of 30 randomly selected

college students is

Use grouped formulas to find approximations for mean, standard deviation, median, P30 and Q3.

[1] Xg=

[2] Sg5

[1] grouped median

[1] P30

[1] Q3 =

Fig: 1