Statistics > SOPHIA Milestone > Sophia Statistics Final Milestone Questions & A grade Answers | SOLVED 100% (All)
Sophia Statistics Final Milestone Qestions & A grade Answers>Sukie interviewed 125 employees at her company and discovered that 21 of them planned to take an extended vacation next year. She finds th... at the proportion of people taking extended vacations nationally is 15%.The z statistic for this data is .-0.560.450.560.45RATIONALETo make things a little easier, let's first note the denominator We can now note thatinally, subbing all in we findCONCEPTZ-Test for Population Proportions 2Jesse takes two data points from the weight and feed cost data set to calculate a slope, or average rate of change. A rat weighs 3.5 pounds and costs $4.50 per week to feed, while a Beagle weighs 30 pounds and costs $9.20 per week to feed.Using weight as the explanatory variable, what is the slope of the line between these two points? Answer choices are rounded to the nearest hundredth.$0.31 / lb.$1.60 / lb.$5.64 / lb.$0.18 / lb.RATIONALEIn order to get slope, we can use the formula:Using the information provided, the two points are: (3.5 lb., $4.50) and (30 lb., $9.20). We can note that:CONCEPTLinear Equation Algebra Review 3A research team conducts a survey to determine the area of land used for farming in Iowa. The team randomly selects house addresses and sends the survey by mail.Which type of sampling method is the research team using?Simple random samplingSystematic random samplingMulti-stage samplingCluster samplingRATIONALEBy choosing randomly from the house addresses all households should have an equal chance of being chosen. This would make it a simple random sample.CONCEPTSimple Random and Systematic Random Sampling 4Katherine, Jonathan, and Ryan went bowling. Afterwards, two of them decided to make bar graphs to plot their score [Show More]
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Sophia Finance, SOPHIA PATHWAYS & Statistics Milestone Bundle
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