Does the diet appear to have practical significance

Assignment Help Basic Statistics

Reference no: EM13143959

When 40 people used the weight watchers diet for one year their mean weight loss was 3.0 lbs. Assume the standard deviation of all such weights is 4.9 lbs and use a significance level to test the claim that the mean weight loss is greater than 0. Based on these results does the diet appear to be effective. Does the diet appear to have practical significance.

Reference no: EM13143959

Questions Cloud

What is the molarity of the base : When titrating 0.15 M HCl with a calcium hydroxide solution of unknown concentration, 35 mL of acid are required to neutralize 25 mL of the base.

Present value of minimum lease payments : Explain why the value of the leased asset and the accompanying lease obligation are not reported on the balance sheet initially at $80,000.00

Problem related to after-tax income : Ivan Company has a goal of earning $75,000 after-tax income. Ivan would need to pay $20,000 of income taxes at the target level of income. The contribution margin ratio is 39%. What amount of dollar sales must be achieved to reach the goal if fixe..

Explain most important alkaloid derived from cinchona bark : Quinine (C20H24N2O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug.

Does the diet appear to have practical significance : Use a significance level to test the claim that the mean weight loss is greater than 0. Based on these results does the diet appear to be effective. Does the diet appear to have practical significance.

What is the concentration of the base : 78 mL of 2.5 M phosphoric acid is neutralized with 500 mL of potassium hydroxide. What is the concentration of the base?

Explain most important alkaloid derived from cinchona bark : Quinine (C20H24N2O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug.

Calculate the p-value for population of subscribers : Find that 116 plan to renew their subscriptions. Use (a=0.01). p = the population of subscribers to Golf Illustrated who renew. Calculate the p-value.

What is the initial concentration of the acid : If 358 mL of H2SO4 is neutralized with 60.0 mL of 1.50 M NaOH, what is the initial concentration of the acid?

User Account

All Pages