Does the check digit of a UPC code detect all single errors? Prove your answer or find a counterexample.

Convert 5.5*10^4 seconds to us, and then write a code into Matlab.

A producer of educational TV shows for gifted children wants to promote the claim that gifted children's scores on an analytical test increase the more the children watch their shows. In RStudio, run the following code to install and/or library the package "openintro". 1. Install.packages("openintro") # don't do this again if you already did this! 2. library(openintro) 3. gifted Delete the install line of code if you are in an RMD file so that it doesn't install every time you knit. The last line of code will access the dataset of that name. dataset named gifted gives information about test scores of gifted children on a standard analytical The test and the number of hours of educational TV these children watch. use the data set to make a model to predict score on analytical skills test (score") from hours of educational TV watched per week (edutv"). a. Make a scatterplot of "score" (y-axis) vs "edutv" (x-axis). Which plot is the scatterplot? Graph A Graph B Graph C Graph Do ỏ A 1954…

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