A school principal wants to determine which type of speaker the ștudents prefer to invite to an assembly for the entire student population. Which survey method would produce the best representative sample? A survey every fifth person who shops at a mall B survey all of the students on the student council C survey every tenth student entering the school one morning. D survey all of the students who went to the last basketball game

How many different ways are there to select a group of 4 out of 8 people for a survey?

ToysGalore is researching customers’ opinions about prices on their new doll.  Name each sampling method. .  A representative stands at the store entrance and polls the first 75 customers b.  A representative asks every 8th customer who enters the store

what is sampling methods The batteries are packaged in boxes of 6 batteries. After the batteries are packaged each day, inspectors will randomly select 4 boxes and inspect all 6 batteries in the selected boxes.

A report just came out that stated that 22.9%  of all Americans say that vanilla is their favorite ice cream,  23.3% say that chocolate is their favorite, 9.2% favor butter pecan, 8.9% favor strawberry, and the rest have other favorites. An ice cream shop owner thinks that her customers are not like the rest of America.  The table below shows the results of 935 of her patrons' ice cream selections. What can be concluded at the αα = 0.01 significance level? Complete the table by filling in the expected frequencies.  Round your answers to the nearest whole number.Frequencies of Favorite Ice Cream Outcome Frequency Expected Frequency Vanilla 224   Chocolate 228   Butter Pecan 84   Strawberry 70   Other 329   What is the correct statistical test to use?Select an answer Goodness-of-Fit Independence Paired t-test Homogeneity  What are the null and alternative hypotheses?H0:H0:  Favorite ice cream and where the ice cream is purchased are independent. The distribution…

Imagine that you own a coffee shop in downtown Toronto. You think it's time to expand to a second location in a different part of the Greater Toronto Area. However, you need to make sure that the second location you have selected will be as popular with customers as your current location. You want to do a survey. You know you can't ask everyone, so you need to ask a sample. PART 1: What process should you follow to select your sample? choices are simple, systematic, stratified, and cluster sampling. PART 2: What is the best way to administer your survey to make sure you get enough responses to give you a good representative sample?

3) A principal of a local high school wants to select 30 students from a student body of 600 students. He wants the proportion of students in each grade level to be the same in the sample as it is in the entire school. Describe how he could make a stratified sample if there are 100 freshmen, 160 sophomores, 200 juniors, and 140 seniors. Show all work. Write final answer in sentence form. o

Our local movie theater polls its customers about their favorite candy to eat during the movie.  Name each sampling method described. a.  Employees ask every 45th customer that purchases a movie ticket b.  An employee divides the theater into sections: left, right, front, back.  He/she randomly chooses a section and polls every customer within that section

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Last year, 41% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year Indicates that 33% planned to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 50 business owners. a. How many business owners In the survey planned to provide a holiday gift to their employees this year? Round your answer to the nearest whole number. b. Suppose the business owners in the sample do as they plan. Conduct a hypothesis test that can be used to determine whether the proportion of business owners providing holiday gifts had decreased from last year. State the hypotheses. Họ :p-Select your answer- 0.41 H.P Select your answer- J0.41 Compute the test statistic and p-value. z-value (to 2 decimals) p-value (to 4 decimals) c. Using a 0.05 level of significance, would you conclude that the proportion of business owners providing gifts decreased? - Select your answer- v Ho. We - Select your answer - v conclude that…