#dot plot

8 minutes In the realm of immunology and various biological disciplines, flow cytometry stands out as a formidable analytical instrument. It’s not just a tool; it’s a window into the microscopic world, revealing the intricacies of cells and particles like never before. Imagine having the ability to scrutinize thousands of cells in a blink of an eye, dissecting their physical and chemical makeup.…

Probability & Statistics for Engineers & Scientists Ninth Edition by Walpole Exercise 1.2 According to the journal Chemical Engineering, an important property of a fiber is its water absorbency. A random sample of 20 pieces of cotton fiber was taken

According to the journal Chemical Engineering, an important property of a fiber is its water absorbency. A random sample of 20 pieces of cotton fiber was taken and the absorbency on each piece was measured. The following are the absorbency values: 18.7121.4120.7221.8119.2922.4320.1723.7119.4420.5018.9220.3323.0022.8519.2521.7722.1119.7718.0421.12 (a) Calculate the sample mean and median for the…

Probability & Statistics for Engineers & Scientists Ninth Edition by Walpole Exercise 1.1 The following measurements were recorded for the drying time, in hours, of a certain brand of latex paint.

The following measurements were recorded for the drying time, in hours, of a certain brand of latex paint. 3.42.54.82.93.62.83.35.63.72.84.44.05.23.04.8 Assume that the measurements are a simple random sample.(a) What is the sample size for the above sample?(b) Calculate the sample mean for these data.(c) Calculate the sample median.(d) Plot the data by way of a dot plot.(e) Compute the 20%…

In a study conducted by the Department of Mechanical Engineering at Virginia Tech, the steel rods supplied by two different companies were compared. Ten sample springs were made out of the steel rods supplied by each company and a measure of flexibility...

In a study conducted by the Department of Mechanical Engineering at Virginia Tech, the steel rods supplied by two different companies were compared. Ten sample springs were made out of the steel rods supplied by each company and a measure of flexibility was recorded for each. The data are as follows:

Company A: 9.3 8.8 6.8 8.7 8.5 6.7 8.0 6.5 9.2 7.0 Company…

Flash Económico – Comunicado Política Monetaria FED

Link al Podcast Podcast del Comunicado Política Monetaria de la FED. PARA TENER EN CUENTA: El incremento de 0.25% era ampliamente esperado por el consenso. La decisión fue unánime. Se destaca la incorporación de la frase: “Las perspectivas sobre la economía se han fortalecido en meses recientes”. Por ello se percibió un comunicado más hawkish. Proyecciones: Dot Plot: Se mantuvo la expectativa de…

Takeaways From The FOMC Meeting

By Paul-Martin Foss

Carl Menger Center

December 14, 2016

  Takeaways From The FOMC Meeting

  (Image courtesy of NCinDC/Flickr,CC)

  As expected, the Federal Open Market Committee (FOMC) raised its target federal funds rate to 0.50-0.75%. There wasn’t much substantive change in the language of the statement. Economic activity was judged to be expanding at a moderate pace, with a declining…

More volatility this week this time looking at weekly price change instead of daily. The S&P 500 daily price data is from the Yahoo finance via Qunadl. 

 The S&P 500 daily price data is from the Yahoo finance via Qunadl.