Average community level of suspended particles-hypothesis

Assignment Help Basic Statistics

Reference no: EM1321239

For each part state the null (Ho) and alternative (HA) hypotheses.

a. Has the average community level of suspended particles for the month of August exceeded 30u/m3?

b. Does mean age of onset of a certain acute disease for school children differs from 11.5?

c. A Psychologist claim that the average IQ of a sample of 60 children is significantly above the normal IQ of 100.

d. Is the average cross-sectional area of the lumen of coronary arteries for men, ages 40-59, less than 31.5% of the total arterial cross section.

e. Is the mean hemoglobin level of a group of high altitude workers different from 16g/ml?

f. Does the average speed of 50 cars as checked by radar on a particular highway differ from 55mph?

Reference no: EM1321239

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