Use empirical rule to establish interval for observations

Assignment Help Basic Statistics

Reference no: EM13138811

A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year:

690 686 714 738 682 751 724 713 763 703 703 711 771
719 691 715 752 717 750 703 720 772 743 739 744

Use the Empirical Rule to establish an interval which includes about 95 percent of the observations.

Reference no: EM13138811

Questions Cloud

Explain what is the db bandwidth of the amplifier : A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output in dBW?

Compute the df values for the f-ratio : A linear regression equation is computed for a sample of n = 18 pairs of X and Y scores. For the analysis of regression testing the significance of the equation, what are the df values for the F-ratio?

Compute the revenue recognized, construction costs expensed : Compute the revenue recognized, construction costs expensed, and income earned for each year using the percentage of completion method. Explain the potential risks associated with this accounting method and discuss why an analyst would be interes..

Analysis frequency to time domain signals : Examining frequency to time domain signals, A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the power level of signals in dBm vertically and frequency horizontally. The spectrum of the unknown signal creates t..

Use empirical rule to establish interval for observations : A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year: Use the Empirical Rule to establish an interval which includes about 95 percent of the observations.

Loon taxable income for the year : Assume the same facts except that Loon's long-term capital gain is $100,000 (instead of $60,000). Compute Loon's taxable income for the year.

Flight availability request application : Define a simple Web Service in WSDL that returns flight information regarding flights of a particular flight operator, see the first question

The design must show all stages used in its development : The design must show all stages used in its development and must be implemented and tested in PSpice and suitable timing waveforms produced.

Is it reasonable to conclude mean rate of return is more : Listed below is the rate of return for one year. Using the .05 significance level is it reasonable to conclude that the mean rate of return is more than 4.50%?

User Account

All Pages