PPT-Finding the mean from a frequency table

Eg the following table shows the mean height of 30 students in our class Find the mean height Height x cm 130 140 140 150 150 160 160 170 170 180 Frequency 5 7. Joint, Marginal, and Conditional Frequencies. Standards:. Common Core State Standards for Mathematical Practice. 1. Make sense of problems and persevere in solving them.. 2. Attend to precision..  . Grouped . frequency table. . We first need to make . sure the . calculator is . CL. ea. R. . of all . previous content. . We first need to make . sure the . calculator is . CL. ea. R. . of all . previous . Insights from Lextutor R&D that are too small to publish but too interesting to . ignore”. +1. Tom Cobb . SFU. March 12, 2015. 1. Promised Abstract. For proponents of Data-Driven Language Learning, corpora and their frequency lists are supposed to be for learners, but applied linguists and course developers can learn some things too. Like whether it is actually possible to build an L2 lexicon through reading. Like what Zipf's Law really tells us we can and cannot do to simplify reading materials. Like how much English Francophone learners actually "get for free" (and Anglophones for French) from cognates at different stages of learning. And finally whether Data-Driven Learning actually "works" for language learners, and for what in particular. This talk will be a survey of current research spin-off from Lextutor development work. . Joint, Marginal, and Conditional Frequencies. Standards:. Common Core State Standards for Mathematical Practice. 1. Make sense of problems and persevere in solving them.. 2. Attend to precision..  . Goal:. Find the x and y intercepts of an equation.. Eligible Content:. A1.2.1.2.1 / A1.2.1.2.2. Vocabulary. x-intercept. – the point that a line crosses the x-axis.. (-2, 0). y is always 0. y-intercept . Year 8 Mathematics. Averages. Learning Intentions. You should be able to:. Calculate Mean, Median, Mode and Range. Interpret results. Draw and read from a Bar chart, . The Average. An Average is a single value that best represents a data set.. 8.SP.4. Essential Question. ?. How can you construct and interpret two-way frequency tables?. Common Core Standard. :. 8.SP ─ Investigate patterns of association in bivariate data. .. 4. Understand that patterns of association can also be seen in bivariate categorical data by displaying frequencies and relative frequencies in a two-way table. Construct and interpret a two-way table summarizing data on two categorical variables collected from the same subjects. Use relative frequencies calculated for rows or columns to describe possible association between the two variables. For example, collect data from students in your class on whether or not they have a curfew on school nights and whether or not they have assigned chores at home. Is there evidence that those who have a curfew also tend to have chores?. a . frequency . table. 1 person rolled a di 50 times and recorded their rolls.. Find the . Min . Max. Range. Mean . Standard Deviation. . from the calculator. . We first need to make . sure the . calculator is . A bag contains 4 red and 2 yellow marbles. A marble is selected, kept out of the bag, and another marble is selected. Find each conditional probability of selecting the second marble.. 1.. . P. (red | red). E.g. the following table shows the mean height of 30 students in our class.. Find the mean height. Height. . (x cm). 130 -. 140. 140 – 150. 150 – 160. 160 – 170. 170 – 180. Frequency. 5. 7. Standards:. Common Core State Standards for Mathematical Practice. 1. Make sense of problems and persevere in solving them.. 2. Attend to precision..  . MCC9-12.S.ID.5. Summarize categorical data for two categories in two-way frequency tables. Interpret relative frequencies in the context of the data (including joint, marginal, and conditional relative frequencies). Recognize possible associations and trends in the data. . CCSS - What do we see?. S.ID. . . 1 . Represent data w/ plots on the real number line (dot plots, histograms, & box plots). . S.ID. . 2 -. Use statistics appropriate to the shape of the data distribution to . 0272-101 REPORT DOCUMENTATION 1 wPORT NO 2 Recipient146s Accession No PAGE 1 Title and Subtitle 5 Report Date Techniques for Estimating Magnitude and Frequency of 1984 6 r Authors 8 Performing Organiz The worksheet is in 2 sizes.. To print handouts from slides -. Select the slide from the left. Then click:. File > Print > ‘Print Current Slide’. To print multiple slides -. Click on a section title to highlight all those slides, .