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A study on Lumosity LPI scores found that younger users tend to have higher scores compared to older users. This distribution suggests that age plays a role in Lumosity performance, with younger individuals generally performing better on the cognitive training tasks.

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7mo ago

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What are the average lumosity scores of participants in the study?

The average Lumosity scores of participants in the study were calculated to determine their cognitive performance levels.


What is a factual statement about differences in IQ test scores in the US?

Research has shown that there are persistent differences in IQ test scores across different racial and ethnic groups in the US, with some groups consistently scoring higher or lower on average than others. However, it is important to note that while there may be differences in average scores, individual differences within each group are greater than differences between groups.


What is the median of Wednesday's test scores?

To find the median of Wednesday's test scores, first arrange the scores in numerical order from least to greatest, then select the middle value as the median. If there is an even number of scores, the median is the average of the two middle values.


What does an IQ of 141 indicate?

that you have quite superior mental abilities heres a range guide ( note that in most tests the average is 100 ) Over 140 - Genius or near genius 120 - 140 - Very superior intelligence 110 - 119 - Superior intelligence 90 - 109 - Normal or average intelligence 80 - 89 - Dullness 70 - 79 - Borderline deficiency Under 70 - Definite feeble-mindedness Normal Distribution & IQ Scores The properties of the normal distribution apply to IQ scores: 50% of IQ scores fall between 90 and 110 70% of IQ scores fall between 85 and 115 95% of IQ scores fall between 70 and 130 99.5% of IQ scores fall between 60 and 140 and here is a guide for above average 115-124 - Above average (e.g., university students) 125-134 - Gifted (e.g., post-graduate students) 135-144 - Highly gifted (e.g., intellectuals) 145-154 - Genius (e.g., professors) 155-164 - Genius (e.g., Nobel Prize winners) 165-179 - High genius 180-200 - Highest genius >200 - "Unmeasurable genius"


What is the independent and dependant variable for how does studying with music affect students test scores?

Independent variable: studying with music Dependent variable: students' test scores

Related Questions

What are the average lumosity scores of participants in the study?

The average Lumosity scores of participants in the study were calculated to determine their cognitive performance levels.


How good is Lumosity games?

If by this you mean, "Do Lumosity games actually keep your brain in shape?" then yes. Lumosity helps improve brain health, sharpen your memory, enhance creativity, and more. If by this you mean "Are Lumosity games fun?" then also yes. I am a Lumosity member myself, and I am addicted to these games. It tracks your high scores, and you can compare how well you did to everyone else training on Lumosity. And it is cheap, too (about $5 a month)


Is it 1670 lpi on lumosity good?

A score of 1670 LPI (Lumosity Performance Index) is considered quite good, as it indicates strong cognitive abilities relative to other users. Lumosity scores can vary widely depending on the specific games and exercises completed, so context matters. Generally, higher scores reflect better performance in areas such as memory, attention, and problem-solving skills. However, it's essential to keep in mind that these scores are not definitive measures of intelligence.


The mean of a distribution of scores is the?

The mean of a distribution of scores is the average.


How do you find the scores at the 60th percentile in a set of 200 scores?

You can't do this without knowing the distribution of scores.


What is another term for z scores?

Another term for z-scores is standard scores. Z-scores indicate how many standard deviations a data point is from the mean of its distribution, allowing for comparison between different datasets. They are commonly used in statistics to standardize scores and facilitate further analysis.


How would you characterize the distribution of scores in a normal distribution?

They are said to be Normally distributed.


When to you use a z scores or t scores?

If the distribution is Gaussian (or Normal) use z-scores. If it is Student's t, then use t-scores.


What is a skewed distribution of test scores?

This simply means that if you plot a histogram of the scores it will be asymmetric.


When the mean of a distribution of scores of measures is higher than the median the distribution would be?

The distribution is skewed to the right.


What is a negative frequency distribution?

If most the population has many high scores, the distribution is negatively skewed. If most have many low scores, it is positively skewed


How do you find normal distribution of z-scores?

z-scores are distributed according to the standard normal distribution. That is, with the parameters: mean 0 and variance 1.

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