Average age of evening students is significantly different

Reference no: EM13130825

At some university, a sample of 49 evening students was selected in order to determine whether the average age of the evening students is significantly different from 21. The average age of the students in the sample was 23 with a standard deviation of 3.5. Determine whether or not the average age of the evening students is significantly different from 21. Use a 0.1 level of significance.

Reference no: EM13130825

Questions Cloud

Explain diprotic acids and solution equlibria : Diprotic Acids and Solution Equlibria, A 1.200 M solution of HCl is added to a solution containing 0.150 moles of sodium phosphate (Na3PO4). The resulting solution is then diluted to exactly 0.500 L

Find out the liabiltiy for refurndable deposits to be report : Prepare the appropriate journal entries for the depositis received and returned during 2011. Find out the liabiltiy for refurndable deposits to be reported on the December 31, 2011, balance sheet.

What are the rates of production of p4 and h2 : If, in a certain experiment, over a specific time period, 0.0033 mol PH3 is consumed in a 1.5-L container each second of reaction, what are the rates of production of P4 and H2 in this experiment?

Determine save the squirrel ubti : Save the Squirrels, Inc., a 501(c) (3) organization that feeds the squirrels in municipal parks, receives a $250000 contribution from Animal Feed, Inc., a corporation that sells animal feed.

Average age of evening students is significantly different : Determine whether or not the average age of the evening students is significantly different from 21. Use a 0.1 level of significance.

What tax issues are relevant to really welcome : Really Welcome, Inc., a tax exempt organization, receives 30% of its support from disqualified persons. Another disqualified person has agreed to match this support if Really Welcome will appoint him to the organization's board of directors. What ..

Globalization, the world system and the pacific : submit a single page with two graphs or tables on it displaying this information. Write a short paragraph or two that says what the data show.

What is the total internal energy : A gaseous reaction occurs at a constant pressure of 50.0 atm and releases 73.4 kj of heat. Before the reaction, the volume of the system was 7.40L .

Explain the equilibrium concentration of ha : The equilibrium concentration of HA will be less than the stoichiometric concentration because some or all of HA ionizes.

User Account

All Pages