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Fifteen years ago, a complete survey of all undergraduate students at a large university indicated that the average student smoked 6.9 cigarettes per day. The director of the student health center wishes to determine whether the incidence of cigarette smoking has lessened over the 15 year period. He takes a random sample of 30 undergraduate students and finds their mean to be 6.4 cigarettes smoked per day with an estimated standard deviation of 1.3. Test the null hypothesis at the 01 level of significance. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). IQ BIUS Paragraph く Arial く 10pt A V ✓ ✓ रुते = = = = >T< + Π Ω ΘΙ 由用网 宇田图 <>> (1) + [t (47) -8.21, p = .003] Based on the parenthetical statement given above, what conclusion could you make about the results of the study (in other words, would you say found a significant or non-significant outcome)? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS रुते Paragraph Arial 10pt X2 > π< - 田く !!! +] ABC E A く Ix XQ く S πT 99 Ω Θ BB

Fifteen years ago, a complete survey of all undergraduate students at a large university indicated that the average student smoked 6.9 cigarettes per day. The director of the student health center wishes to determine whether the incidence of cigarette smoking has lessened over the 15 year period. He takes a random sample of 30 undergraduate students and finds their mean to be 6.4 cigarettes smoked per day with an estimated standard deviation of 1.3. Test the null hypothesis at the 01 level of significance. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). IQ BIUS Paragraph く Arial く 10pt A V ✓ ✓ रुते = = = = >T< + Π Ω ΘΙ 由用网 宇田图 <>> (1) + [t (47) -8.21, p = .003] Based on the parenthetical statement given above, what conclusion could you make about the results of the study (in other words, would you say found a significant or non-significant outcome)? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS रुते Paragraph Arial 10pt X2 > π< - 田く !!! +] ABC E A く Ix XQ く S πT 99 Ω Θ BB

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Fifteen years ago, a complete survey of all undergraduate students at a large university indicated that the average student smoked 6.9 cigarettes per day. The director of the student health center wishes to determine whether the incidence of cigarette smoking has lessened over the 15 year period. He takes a random sample of 30 undergraduate students and finds their mean to be 6.4 cigarettes smoked per day with an estimated standard deviation of 1.3. Test the null hypothesis at the 01 level of significance. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). IQ BIUS Paragraph く Arial く 10pt A V ✓ ✓ रुते = = = = >T< + Π Ω ΘΙ 由用网 宇田图 <>> (1) +
Transcribed Image Text:Fifteen years ago, a complete survey of all undergraduate students at a large university indicated that the average student smoked 6.9 cigarettes per day. The director of the student health center wishes to determine whether the incidence of cigarette smoking has lessened over the 15 year period. He takes a random sample of 30 undergraduate students and finds their mean to be 6.4 cigarettes smoked per day with an estimated standard deviation of 1.3. Test the null hypothesis at the 01 level of significance. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). IQ BIUS Paragraph く Arial く 10pt A V ✓ ✓ रुते = = = = >T< + Π Ω ΘΙ 由用网 宇田图 <>> (1) +
[t (47) -8.21, p = .003] Based on the parenthetical statement given above, what conclusion could you make about the results of the study (in other words, would you say found a significant or non-significant outcome)? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS रुते Paragraph Arial 10pt X2 > π< - 田く !!! +] ABC E A く Ix XQ く S πT 99 Ω Θ BB
Transcribed Image Text:[t (47) -8.21, p = .003] Based on the parenthetical statement given above, what conclusion could you make about the results of the study (in other words, would you say found a significant or non-significant outcome)? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS रुते Paragraph Arial 10pt X2 > π< - 田く !!! +] ABC E A く Ix XQ く S πT 99 Ω Θ BB
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