Given the following sample data in a grouped frequency distribution Data Frequency 40 - 44 45 - 49 4 50 - 54 55 - 59 60 - 64 65 - 69 70 - 74 75 - 79 80 - 84 7 12 22 14 8 6 1 (a) Find the mean (give you answer to one decimal) = What would the correct notation be? Enter mu, x-bar, s, or sigma. (b) Find the standard deviation (give your answer to two decimals) = What would the correct notation be? Enter mu, x-bar, s, or sigma.

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Q: cot (특) sec () 11. 12. 6.

A:

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A:

Q: 10. (-?)"(a«*)°¢

A:

Q: How did you get the value for 7pi/3 when it's not in the unit circle?

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A: To determine whether an eardrum hearing this tone would be vibrating outwardor inward when .

Q: onor onometri

A: 10. Trigonometry:

Q: e using the method of trigonometr A3 de d0 /4 02

A: