what is standard deviation in maths​

Bendel Incorporated has an operating leverage of 7.3. If the company's sales volume increases by 3%, its net operating income should increase by about: Use all the information below to find the missing x-value for the point that is on this line. m = - 1 / 3 b = 7 ( x, 4 ) I NEED HELP PLEASE LIKE NOW Select the correct answer. BonFlight Air offers a low price on airline tickets to Alaska only in winter. What type of product line pricing is BonFlight Air using? A. image B. bundling C. captive D. complementary E. premium Which is a structure that directs the cell's activities? nucleus Golgi apparatus ribosome mitochondrion plzzzzz helpp j + 9 - 3 < 8 9/10 of the weight of a loaf of bread comes from the flour used in its baking. 2/9 of the weight is the protein what fraction of the weight is protein? Mia agreed to borrow a 3 year loan with 4 percent interest to buy a motorcycle if Mia will pay a total of $444 in interest how much money did she borrow how much interest would Mia pay if the simple interest rate was 5 percent You are testing the claim that the mean GPA of night students is greater than the mean GPA of day students. You sample 30 night students, and the sample mean GPA is 2.36 with a standard deviation of 0.96 You sample 60 day students, and the sample mean GPA is 2.19 with a standard deviation of 0.66 Calculate the test statistic, rounded to 2 decimal places Which of these statements correctly expresses a similarity between ancientIndia and ancient China? Which of these statements best summarizes theCourt's ruling in Vernonia v. Acton?O Students are protected by the FourthAmendment, but not as much as adults.O Students cannot be required to take drugtests.The Fourth Amendment does not apply tosearches like drug tests. Paragraphs often include a topic sentence.TrueFalse describe the end behavior f(x)=5x^4+3x^2-1. convert the equation y= -4x + 2/3 into general form equation and find t the values of A,B and C. Which transformations can be used to carry ABCD onto itself? The point of rotation is (3, 2). Check all that apply. A. Reflection across the line y = 2 B. Rotation of 180 C. Rotation of 90 D. Translation two units up two resistors of resistance 10 ohm's and 20 ohm's are connected in parallel to a batery of e.m.f 12V. Calculate the current passing through the 20hm's resister Select the number of solutions for each system of two linear equations. Pls solve ASAP!! Review the attachment and solve. Pls hurry! How did the Catholic Church respond to the Scientific Revolution? A. The church didnt accept the theories put forth by scientists and held on to their beliefs. B. The church accepted and promoted the theories and findings put forth by the scientists. C. The church funded the scientists so that they could prove more scientific theories. D. The church didnt fund the scientists but quickly accepted their theories and findings. The table below lists some of the characteristics of the houses on Katrinas street. Characteristics of Homes For Sale on Katrinas Street Bedrooms Acres of land Sale price Appraised value Property tax 2 0.17 $230,000 $200,000 $1,220 2 0.20 $210,000 $220,000 $1,232 3 0.20 $275,000 $250,000 $1,400 4 0.24 $275,000 $275,000 $1,540 4 0.52 $360,000 $310,000 $1,736 4 0.75 $350,000 $320,000 $1,792 5 1.23 $375,000 $350,000 $1,960 Which relationship describes a function? "Texting erodes kids' grammar skills, study says"This response must be in paragraph formHow could continuous texting become a problem for studentswhen they enter into the workforce (i.e. get a job)? Include atleast three(3) situations in your paragraph which support bowtexting distracts, interrupts, or otherwise compromises workproductivity