Statement: In a group of student 18 read math . 19 read statistics and 16 read economic.6 read only math 9 read only statistic 5 read only math and statistic only and 2 read statistic and economic only. Question (1) A) the no of students that read all the subject in above information is? Question (2) B) The no of students that read mathematics and economics only in above information is?

Q: he supervisor made observations again the following week. The table below shows the observations.…

A: Given that: A frequency distribution table with mean =6.366, median = 5 and mode =11

Q: a. If each of 8 students scored 90 on a test, find each of the following for the scores. i. Mean ii.…

A: (a) 8 students scored 90 on a test. (i) mean = Total spaceNumber of players ⇒ mean = 8*908 = 90⇒…

Q: One True Love by Educational Level A study is conducted in which people were asked whether they…

A: Answer  Given  {O]                          HS               Some              College…

Q: Question: What is the formula for calculating the mode of a set of n observations?

A: There are two formula for mode one is for ungrouped data and other is grouped data

Q: A popular uprising that started on January 25, 2011, in Egypt led to the 2011 Egyptian Revolution.…

A: 1. From the given information, The population proportion is 70%=0.70 Among a random sample of 60…

Q: The mode of the data 26, 24, 30, 26, 36, 33, 26 is O 24 O 26 O 33 O 30 о 36

A: We have to find mode for given data..

Q: If the mode of the scores 10, 12, 13, 15, 15, 13, 12, 10, x is 15, then what is the value of x?

A:

Q: Many young men in North America and Europe (but not in Asia) tend to think they need more muscle to…

A: It is given that,Sample mean = 2.35.Population standard deviation, sigma is 2.5.The sample size, n…

Q: 2. Stephanie wanted to know if there was an association between handedness and breakfast frequency.…

A: Basic concepts of probability are used.

Q: a. State the appropriate conclusion of the test. b. Do the data support the idea that knowing the…

A: We have been provided mean values of two different groups ,  Also after the test of statistical null…

Q: ociologist has created a brief survey to be given to 2000 adults randomly selected from the U.S.…

A: Correct option is C

Q: The data were collected from a statistics class. The column heads give the variable, and each of the…

A: Step 1: Define what a categorical variable isA categorical variable is a variable that is not…

Q: Thao earned the following scores on her six management exams last semester. 79, 85, 44, 91, 79, 88…

A: The scores earned on her six management exams last semester are as follows, 79 85 44 91 79 88…

Q: Determine if the study uses descriptive or inferential statistics: The average age of students in…

A:

Q: Which of the statements is/are true? I. The median is always part of the original data set it was…

A: Given that Which of the statements is/are true?   I. The median is always part of the original data…

Q: (b) come to a conclusion about a particular topic or phenomenon. The questions asked in a…

A: We know that the questionnaires are set of questions which are meant to analyse or come to a…

Q: An educator want to determine whether early exposure to school affect IQ. He enlists the aid of…

A: We set up the, Null Hypothesis(H0):μx=μy , there is no diffrence between the mean IQ of children who…

Q: following two-way table. Female Male Total 10 42 7 19 45 108 In a relationship 32 It's complicated…

A: female male total in relationship 32 10 42 its complicated 12 7 19 single 63 45 108…

Q: r you have ofly that make the variables independent? d. If two categorical variables are…

A: We have to use interpretation of independence of variables.

Q: A _______________ is a broad idea that helps to explain a set of interrelated observations and…

A: Theory: In a scientific context, a theory is a well-substantiated explanation based on extensive…

Q: 3. The histogram below shows the number of CDs students own based on the survey. Which of the…

A: From the given histogram, we see          Number of students owning 1-4 CDs is more than the number…

Q: Thirty of the 198 students enrolled in Statistics 101 were asked if they wanted Exam Il to be a…

A: Answer : Inferential

Q: BA) ,00 (A) 12. Can vaccination be regarded as a preventive measure for small pox from the data…

A: Solution:

Q: 2. A friend tells you that cell phones cause car accidents because someone got into an accident with…

A: Here someone got into an accident with her while talking on a cell phone, it's just observational we…

Q: 3. A psychology professor wants to know if stress in his statistics class is in anyway affected by a…

A: Given Following notations can be assumed:   Psychology=A Other=B Male=1 17,-1,9,17,10,13,13,14…

Q: Imagine a professor wants to examine if there is a relationship between gender and performance on a…

A: The degree of freedom (df) for χ2 test statistic is, (r-1) (n-1). where r=number of rows…

Q: A survey asked 16 boys and 14 girls about their shirt color. There were 8 boys with blue shirts, 6…

A:

Q: 9) Multiple Choice (ONE answer) The number of students applying to a college increases as the number…

A: Correlation is defined as the measure of the relationship between two variables. Causation is…

Q: he data were collected from a specific statistics class. The first row gives the variable nam Eye…

A: Given The first row gives the variable names and each additional row represents a student in the…

Q: A researcher conducts a study comparing anxiety levels in teens based on their social media usage.…

A: Given information: The data represents the descriptive and inferential statistics of anxiety scores…

Q: Example 7. In a batch of 25 students, 7 students failed in a test. The marks, of 18 students who…

A:

Q: The following table shows the Myers-Briggs personality preference and area of study for a random…

A:

Q: a. Insurance rates for teenage males are higher than those for teenage females. This is an example…

A: Given a)Insurance rates for teenage males are higher than those for teenage females. This is an…

Q: The following table summarizes the outcome of a study that researchers carried to determine if…

A: Contingency table is used in parametric chi-square tests.

Q: The two-way table below reflects the responses from a group of middle and high school students…

A:

Q: An administrator at a university wants to determine if there is a relationship between gender and…

A: to find: why would the scatter be inappropriate.

Q: Pregunta 4 Which of the following statements is not true? Answer: is not true. Banco de palabras:…

A: From the above question The first statement is not true The probability of making a Type II error…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.