3. Performance scores are collected for 10 individuals and those scores are 17, 12, 20, 11, 8, 18, 17, 9, 12, and 15. Find ΣΕ1Xī where Xi represents the 10 scores.

Q: tudent obtained the mean of 58 observations as 48. It was later found that one observation was…

A: Given data, n=58 The mean for 58 observations is 48 x=∑xn48=∑x58∑x=2784

Q: What type of relationship is indicated in the scatterplot7

A:

Q: Find median and mode of the messages received on 9 consecutive days 14, 11, 9, 5, 18, 4, 15, 13, 18.…

A:

Q: just need part b. I need the p-value for part b, please.

A: Here we want to find the p value vir the correlation coefficient.

Q: The average number of cavities that thirty-year-old Americans have had in their lifetimes is 8. Do…

A: As per guidelines expert have to answer first question three subparts only dear student please…

Q: The cumulative relative frequency graph shows the distribution of the percent of foreign-born…

A: z score is values is shows us how many number of standard deviations away from the mean , i.e below…

Q: Assign the appropriate symbol to each number. A college has 3427 enrolled students. When 50 of them…

A: Here identify the sample statistics and population parameters from given information

Q: f the score of 3 courses for a student who studied at a university are 81, 62, 74 with credit hours…

A: Solution: The scores of three courses for a students are  X= 81, 62 and 74 The credit hours  that is…

Q: Number of drivers involved with accidents 600 during night time. Number of drivers involved with…

A:

Q: The lowest mark scored for a certain examination in a statistics class is 11. If the midrange of the…

A: Given that Minimum = 11 Midrange = 29

Q: rvey Quality of LED Bulb Number of Votes Good 28 Вad 36 Fair 11 Find the probability of selecting a…

A: Answer -  Given that, a LED bulb is released in the market and a survey was taken on it. Quality…

Q: Coaster Condition (1 = Just rode, 2 = Waiting to ride) * Relationship (1 = Currently Single, 2 = In…

A: The following information is obtained from the data set:Currently SingleIn a relationshipTotalJust…

Q: Out of 32 students in a class 5 said they ride their bike to school. Based on these results how many…

A: Unitary method : It is a method by  first determine the value of single unit and then determine the…

Q: The data collected from the 12 female & the calculations asking in the project are shown in the…

A:

Q: The mean of 5, 7, 6, 11, x and 13 is 44. Find the value of the observation x.

A:

Q: What score has the highest frequency

A: The histogram helps in understanding the distribution of the data.

Q: Let X represent the difference between the number of heads and the number of tails when a coin is…

A: Given that  The Coin is tossed 6 times  The number of trials (n)=6 Let X denotes the difference…

Q: It is a statistical analysis that examines two or more independent samples based on one…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: What is the value of p in the diagra

A: From the given plot, PA=0.487PB=0.513 PB|A=pPB∩APA=pPB∩A0.487=pPB∩A=0.487p.......(1)…

Q: . Find the median of these numbers: 4, 2, 7, 4, 3.

A: We have given that,  The data set are : 4, 2, 7, 4, 3 Then,  We will find the Median (M) = ?

Q: For homework, Tina is asked to write down the opposite Number Opposite Value Comparison W -3 -(-9)…

A:

Q: 1) Construct a simple bar diagram. Year 2010 2011 2012 2013 2014 2015 Production Cost 55 40 30 25 35…

A: As per guidelines we are supposed to solve one question when multiple questions are posted.

Q: Determine Q1, Q3, and the median from the combined scorce of two sections. Use the results to…

A: The Q1 and Q3 represent the 1st and the third quartile of the data that represent the values in the…

Q: In Exercises 33 to 30, determine whether or not the conditions for using two-sample t procedures are…

A: The conditions or assumption required for the two sample t test are.  1) Both the samples are…

Q: How many of the bees should the expect to travel west

A: Given that  Over 15 minutes of period 50 bees are observed they leave their hive

Q: The IQs of six boys are 111, 119, 122, 124, 123 and x. If their mean IQ is 120, what is x?

A: Given IQ's of six boys is111,119,122,124,123,xMean = 120

Q: 5. The data file TeachingRatings contains data on course evaluations, course characteristics, and…

A:

Q: Q1. The scores on a mathematics test were: 86, 81, 79, 71, 58, 87, 52, 71, 87, 87, 93, 64, 94, 81,…

A: Arrange the given data in ascending order: 52, 58, 64, 68, 71, 71, 76, 79, 81, 81, 86, 87, 87, 87,…

Q: how do you determine how many observations are in the first class of a stem and leaf chart

A: The objective is to infer the no. of observations (or frequencies) in the stem-and-left plot.

Q: Give five different numbers whose mean is 11 and range is 14.

A: Here use basic formula of mean and range

Q: find 1st pr for given data  45,85,98,7,56,56,32,56,78,56,34,25,96,85

A:

Q: If the mean of 5 values equals 34, then ΣΧ-

A:

Q: What percentage of the scores are in the shaded area?

A: It is given that the shaded area in graph.