In all empirical or rational or investigative statements, one has to base statement on..what?
In: Biology
Can we forecast exchange rates? Justify your answer with empirical evidence.
In: Economics
1 Do you anticipate that your measure(s) have high face validity? Explain.
2 Will you be evaluating the empirical validity of the measures you will be using in your research? Explain. (Note that if you use a published measure, information on empirical validity may already be available in the manual for the measure or in a research report in which the measure was used.)
3 Will you be evaluating the reliability of any measures you will be using in your research? Explain.
In: Statistics and Probability
1 Do you anticipate that your measure(s) have high face validity? Explain.
2 Will you be evaluating the empirical validity of the measures you will be using in your research? Explain. (Note that if you use a published measure, information on empirical validity may already be available in the manual for the measure or in a research report in which the measure was used.)
3 Will you be evaluating the reliability of any measures you will be using in your research? Explain.
In: Biology
The annual earnings for a random sample of employees with CPA certification and 6 years of experience and working for large firms have a bell-shaped distribution with a mean of $134,000and a standard deviation of $12,000
a) Using the empirical rule, find the percentage of all such
employees whose annual earnings are between
(i) $98,000 and $170,000 ; (ii) $110,000$110,000 and $158,000
b) Using the empirical rule, find the interval that contains approximately the annual earnings of 68% of all such employees.
In: Statistics and Probability
1.) Determine the number of moles of hydrogen atoms in each sample.
**Round to 2 Sig Figs**
a.)8.95×10?2 mol C4H10
b.)1.5 mol CH4
c.)2.8 mol C6H12
d.)1.80 mol C8H18
2.) A sample of a compound is decomposed in the laboratory and produces 660 g carbon, 139.0 g hydrogen, and 220.2 g oxygen. Calculate the empirical formula of the compound.
**Express your answer as an empirical formula.**
In: Other
1) Find the mass (in g) of F in 0.0480 g of CFCl3?
2) A hydrocarbon contains 18.3% H and 81.7% carbon. Find the empirical formula of the compound?
3) How many moles in 24.02g of Co?
4) How many grams in 8.79 moles of CH4?
5) What is the empirical formula of a compound containing C, H, and O if combustion of 3.69 g of the compound yields 5.40 g of CO2 and 2.22 g of H2O?
In: Chemistry
Statistical Abstracts (117th edition) provides information about state per capita income taxes. The distribution is mound-shaped with a mean of $1,700 and a a standard deviation of $500.
a. Use the empirical rule and Excel to find an interval centered about the mean in which about 68% of the data will fall.
b. Estimate the range of values centered about the mean in which about 95% of the state per capita income taxes will fall. (Recall the empirical rule )
In: Statistics and Probability
Use Figure 7-5 to research a database service for an enterprise-level relational database and document three new key terms based on how that particular vendor handles that particular service. (Examples: Data security by Oracle, Data integrity by MySQL, Backups by SQL Server).
In: Computer Science
I need unique answer, NO COPY PLEASE!
What is a Database key?
Explain various types of database keys (Super key, Candidate key, Primary key and Foreign key) with your clear definitions/ideas and at least one appropriate example for each one of them.
In: Computer Science