According to the following two way table, what percentage of people in the sample is taking naps. Male Female naps 25 30 *************************************************** does not 35 10 take naps ******************************************************** (a) 55% (b) 35% (c) 60% (d) 25%

You are studying objects from four groups: A, B, C, and D. You take measurements on each object in the groups. 243 a. The middle 50% of objects in group B have a measurement between     and    b. Which group has the largest range?   c. The median of group C is

Identify the type of sample ( Experimental or Observational) Then tell if the sample is biased 5.The researcher stands at a shopping mall and selects the first 75 shoppers as they walk by to fill out a survey.

Discuss any outliers in the data . What criteria did you use to identify outliers?

Here are the fuel efficiencies (in mpg) of 15 new cars. 49, 35, 17, 21, 27, 23, 45, 50, 39, 51, 41, 47, 25, 14, 29 What is the percentage of these cars with a fuel efficiency less than 40 mpg?

Virginia polled a large sample of individuals to find the percentage of students with known food allergies and the percentage of students without known food allergies. Which of the following could sufficiently display the data if only the two given categories are to be included? Select the correct answer below:   bar graph   pie chart   either a pie chart or a bar graph   neither a pie chart nor a bar graph

number 23 please :)

A guide for a "Pirates of the Caribbean" role-playing game lists the following percentages for the rarity items the players may collect when a "loot box" is opened. | Item rarity |Percentage Super rare 5% Rare 10% Uncommon 25% Common 60% Sarah thinks that the guide is wrong. To test her suspicions, she opens 80| loot boxes. Her results are shown in the table below Item rarity Frequency Super rare 3 Rare 4 Uncommon 24 Common 49 Total 80 a) Calculate the expected frequency for each item. b) How many degrees of freedom are there in this test? c) Conduct a Chi-Squared test with a 1% level of significance to determine whether Sarah's suspicions are justified. USE A CRITICAL VALUE to make your decision

The following scores were obtained by eleven soccer players in a goal-shoot competition: 5,3, 6, 8,7, 8, 3, 11,6, 3, 2 What is the median of these scores 3 8 6 11

Explain what each phrase means in the context of inferences for a population proportion. a. Number of successesb. Number of failures