1. Assume the resting heart rates for a sample of individuals are normally distributed with a mean of 70 and a standard deviation of 15. Use the 68-95-99 rule to find the following quantities:

a. Percentage of rates less than 70 = 50%

b. Percentage of rates less than 55 = 16%

c. Relative frequency of rates less than 40 = 2.5%

d. Percentage of rates less than 85 = 84%

e. Relative frequency of rates less than 100 = 97.5%

f. Percentage of rates greater than 85 = 16%

g. Percentage of rates greater than 55 = 84%

h. Relative frequency of rates greater than 40 = 97.5%

i. Percentage of rates between 55 and 85 = 68%

j. Percentage of rates between 70 and 100 = 47.5%

2. Here are the results of four of your test:

| | Your score | Mean |Standard Deviation | |Math (out of 100) |70 |80 |3.3 | |QM (out of 20) |20 |18 |3 | |RM (out of 100) |66 |75 |5 | |History (out of 30) |28 |20 |3.5 |

a. Present all four results on a standardized normal curve. Be sure to present the calculations for each test.

...Understanding LNB Frequencies and Transponder Frequencies « on: April 01, 2008, 07:44:50 PM »http://www.galaxy-marketing.com/satellite-support-forum1/index.php?topic=39.0 | |
These are LNB types and frequencies:
DSS Circular LNB = 12.2GHz-12.7GHz
Standard FSS Linear LNB = 11.7GHz-12.2GHz
Universal FSS Linear LNB = 10.7GHz-12.7GHz
Keeping the above frequency range in mind, now let's look at the frequency ranges...

...denotes sample variance
s denotes sample standard deviation
Frequency distribution:
class width = H - L / K
where 2^K > n ,
n is number of observations or frequency.
No. of classes can be between 5 to 15.
Lower limit of first class interval should be less than or equal to lowest observation in data, upper limit of last class interval should be greater than highest observation in data.
Steps in constructing a frequency distribution:...

...FREQUENCY DISTRIBUTION
WHAT IT IS Frequency distributions summarize and compress data by grouping it into classes and recording how many data points fall into each class. That is, they show how many observations on a given variable have a particular attribute. For example, a survey is taken of 50 people's favorite color. The frequency distribution might indicate 15 people selected green, 12 blue, 6 red, 7 yellow, and 10 purple. Converting these raw...

...Star MP3. To summarize the consumer responses with a frequency table, how many classes would the frequency table have?
4. Two thousand frequent Midwestern business travelers are asked which Midwest city they prefer: Indianapolis, Saint Louis, Chicago, or Milwaukee. The results were 100 liked Indianapolis best, 450 liked Saint Louis, 1,300 liked Chicago, and the remainder preferred Milwaukee . Develop a frequency table and a...

...shifting (2) Frequency shifting
07
(b) An audio signal 15sin2ᴨ (1500t) amplitude modulates a carrier 60 sin2ᴨ 07
(100,000t).
i) Sketch the audio signal.
ii) Sketch the carrier.
iii) Construct the modulated wave.
iv) Determine the modulation index and percentage modulation.
v) What are the frequencies of the audio signal and the carrier?
OR
1
Q.4
(a) Determine the fourier transform of rectangular pulse shown below.
Q.4
(b) A 107.6 MHz...

...INDICATOR
TO COMPARE INDICATORS
TO DEMONSTRATE CORRELATIONS
TO ILLUSTRATE TRENDS
INFOGRAPHICS USING EXCEL
Frequency Tables and Histograms Charts : create and format charts Conditional Formatting Sparklines Excel Graphics
FREQUENCY DISTRIBUTION
Shows how many observations fall in various categories(bins) Can be represented in a Frequency Table To obtain a Frequency Table for any given data, we must first choose...

...Frequencies
A sound wave is created as a result of a vibrating object. The object that is vibrating, is the source of the disturbance that moves throughout the medium. The object creating the disturbance could be the vocal cords of a person, the vibrating strings and soundboard on a string instrument, or the vibrating diaphragm of a radio speaker. If an object has the ability to vibrate, then it will produce...

...
A Voltage-Controlled Oscillator (VCO) is a circuit that provides a varying output signal (typically of square-wave or triangular-wave form) whose frequency can be adjusted over a range controlled by a dc voltage. An example of a VCO is the 566 IC unit, which contains circuitry to generate both squarewave and triangular-wave signals whose frequency is set by an external resistor and capacitor and then varied by an applied dc voltage. Figure (1) shows that the 566...